Fix WITHOUT_ICONV build

Move the include of langinfo.h out of the WITH_ICONV condition block,
since it is not dependent on ICONV. This was correct when nl_langinfo()
had only been called in the WITH_ICONV case, but that is no longer the
case.

Submitted by:	yuripv

usr.bin/calendar/events.c

@@ -32,13 +32,13 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/time.h>
 #include <err.h>
+#include <langinfo.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #ifdef WITH_ICONV
 #include <iconv.h>
 #include <errno.h>
-#include <langinfo.h>
 
 static iconv_t conv = (iconv_t)-1;
 static char *currentEncoding = NULL;