randomconfig fixes 3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/findutils/grep.c b/findutils/grep.c
index b072cd4..aeb7977 100644
--- a/findutils/grep.c
+++ b/findutils/grep.c
@@ -686,6 +686,7 @@
 #if ENABLE_FEATURE_GREP_CONTEXT
 	int Copt, opts;
 #endif
+	INIT_G();
 
 	/* For grep, exitcode of 1 is "not found". Other errors are 2: */
 	xfunc_error_retval = 2;