Merge pull request #519 from katef/sv/grep-test-ignore-binary-files

Makefile: grep for 'FAIL' should use -I to ignore binary files.

Author: katef

Makefile

@@ -191,6 +191,6 @@ STAGE_BUILD := ${STAGE_BUILD:Nbin/cvtpcre}
 
 .if make(test)
 .END::
-	grep FAIL ${BUILD}/tests/*/*res*; [ $$? -ne 0 ]
+	grep -I FAIL ${BUILD}/tests/*/*res*; [ $$? -ne 0 ]
 .endif