More egcs warning fixes:

o use braces to avoid potentially ambiguous else
	o don't default to type int (and also remove a useless register
	  modifier).
	o Use parens around assignment values used as truth values.
	o Remove unused function.

Reviewed by: obrien and chuckr

lib/libc/locale/utf2.c

@@ -48,7 +48,7 @@ static char sccsid[] = "@(#)utf2.c	8.1 (Berkeley) 6/4/93";
 rune_t	_UTF2_sgetrune __P((const char *, size_t, char const **));
 int	_UTF2_sputrune __P((rune_t, char *, size_t, char **));
 
-static _utf_count[16] = {
+static int _utf_count[16] = {
 	1, 1, 1, 1, 1, 1, 1, 1,
 	0, 0, 0, 0, 2, 2, 3, 0,
 };

lib/libc/string/memset.c

@@ -68,7 +68,9 @@ memset(dst0, c0, length)
 #endif
 {
 	register size_t t;
+#ifndef BZERO
 	register u_int c;
+#endif
 	register u_char *dst;
 
 	dst = dst0;

lib/libc/string/strcat.c

@@ -45,6 +45,6 @@ strcat(s, append)
 	char *save = s;
 
 	for (; *s; ++s);
-	while (*s++ = *append++);
+	while ((*s++ = *append++));
 	return(save);
 }

lib/libc/string/strcpy.c

@@ -45,6 +45,6 @@ strcpy(to, from)
 {
 	char *save = to;
 
-	for (; *to = *from; ++from, ++to);
+	for (; (*to = *from); ++from, ++to);
 	return(save);
 }

lib/libdisk/disk.c

@@ -6,7 +6,7 @@
  * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
  * ----------------------------------------------------------------------------
  *
- * $Id: disk.c,v 1.39 1998/12/19 18:48:33 phk Exp $
+ * $Id: disk.c,v 1.40 1999/01/29 11:39:24 jkh Exp $
  *
  */
 
@@ -50,16 +50,6 @@ Read_Int32(u_int32_t *p)
     return bp[0] | (bp[1] << 8) | (bp[2] << 16) | (bp[3] << 24);
 }
 
-static void
-Write_Int32(u_int32_t *p, u_int32_t v)
-{
-    u_int8_t *bp = (u_int8_t *)p;
-    bp[0] = (v >> 0) & 0xff;
-    bp[1] = (v >> 8) & 0xff;
-    bp[2] = (v >> 16) & 0xff;
-    bp[3] = (v >> 24) & 0xff;
-}
-
 struct disk *
 Int_Open_Disk(const char *name, u_long size)
 {

lib/libncurses/lib_newterm.c

@@ -123,11 +123,12 @@ char   *use_it = _ncurses_copyright;
 
 	stolen = topstolen = 0;
 	for (rsp = rippedoff; rsp->line; rsp++) {
-		if (rsp->hook)
+		if (rsp->hook) {
 			if (rsp->line < 0)
 				rsp->hook(newwin(1,COLS, LINES-1,0), COLS);
 			else
 				rsp->hook(newwin(1,COLS, topstolen++,0), COLS);
+		}
 		--LINES;
 		stolen++;
 	}

lib/libstand/dosfs.c

@@ -461,7 +461,7 @@ lookup(DOS_FS *fs, u_int clus, const char *name, DOS_DE **dep)
             for (ent = 0; ent < DEPSEC; ent++) {
                 if (!*dir[ent].de.name)
                     return ENOENT;
-                if (*dir[ent].de.name != 0xe5)
+                if (*dir[ent].de.name != 0xe5) {
                     if ((dir[ent].de.attr & FA_MASK) == FA_XDE) {
                         x = dir[ent].xde.seq;
                         if (x & 0x40 || (x + 1 == xdn &&
@@ -493,6 +493,7 @@ lookup(DOS_FS *fs, u_int clus, const char *name, DOS_DE **dep)
                             return 0;
                         }
                     }
+		}
                 xdn = 0;
             }
         }
@@ -572,7 +573,7 @@ fsize(DOS_FS *fs, DOS_DE *de)
    u_int c;
    int n;
 
-   if (!(size = cv4(de->size)) && de->attr & FA_DIR)
+   if (!(size = cv4(de->size)) && de->attr & FA_DIR) {
       if (!(c = cv2(de->clus)))
          size = fs->dirents * sizeof(DOS_DE);
       else {
@@ -580,6 +581,7 @@ fsize(DOS_FS *fs, DOS_DE *de)
             return n;
          size = blkbyt(fs, n);
       }
+   }
    return size;
 }
 

lib/libstand/ether.c

@@ -137,7 +137,7 @@ char *
 ether_sprintf(ap)
         register u_char *ap;
 {
-	register i;
+	register int i;
 	static char etherbuf[18];
 	register char *cp = etherbuf;