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-rw-r--r--gcc/protoize.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/protoize.c b/gcc/protoize.c
index 3ba8b96..18187a6 100644
--- a/gcc/protoize.c
+++ b/gcc/protoize.c
@@ -3447,8 +3447,8 @@ find_rightmost_formals_list (clean_text_p)
while (*end_formals != ')')
{
- if (ISSPACE (*end_formals))
- while (ISSPACE (*end_formals))
+ if (ISSPACE ((unsigned char)*end_formals))
+ while (ISSPACE ((unsigned char)*end_formals))
check_source (--end_formals > clean_read_ptr, 0);
else
check_source (--end_formals > clean_read_ptr, 0);