tests: tighten a grepping check

* t/yflags-force-override.sh: Here, by being sure to correctly
match an expected literal dot.

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --git a/t/yflags-force-override.sh b/t/yflags-force-override.sh
index 02ce5ea..6e52b32 100644 (file)
--- a/t/yflags-force-override.sh
+++ b/t/yflags-force-override.sh
@@ -48,7 +48,7 @@ $ACLOCAL
 $AUTOMAKE -a -Wno-gnu
 
 $EGREP '(foo|YFLAGS)' Makefile.in # For debugging.
-grep '^foo.h *:' Makefile.in
+grep '^foo\.h *:' Makefile.in
 
 $AUTOCONF
 ./configure