Fixed missing dependency on version.c.

Fixed some style bugs ($@ is not recommended ...).

gnu/usr.bin/cvs/cvsbug/Makefile

@@ -1,4 +1,4 @@
-#	$Id$
+#	$Id: Makefile,v 1.7 1997/02/22 15:45:15 peter Exp $
 
 .include "${.CURDIR}/../Makefile.inc"
 
@@ -11,15 +11,16 @@ CLEANFILES+= cvsbug ver
 
 .SUFFIXES: .sh
 
-all:	cvsbug
+all: cvsbug
 
-.sh:
-	echo > ver cvs-`sed < ${CVSDIR}/src/version.c \
+ver: version.c
+	echo > ${.TARGET} cvs-`sed < ${.ALLSRC} \
 		    -e '/version_string/!d' \
 		    -e 's/[^0-9.]*\([0-9.]*\).*/\1/' \
 		    -e q`
-	sed -e "s,xVERSIONx,`cat ver`,g" $> > $@
 
+.sh: ver
+	sed -e "s,xVERSIONx,`cat ver`,g" ${.IMPSRC} > ${.TARGET}
 
 beforeinstall:
 	${INSTALL} ${COPY} -o ${BINOWN} -g ${BINGRP} -m ${BINMODE} \