Git.pm: Handle failed commands' output

diff --git a/builtin-mailinfo.c b/builtin-mailinfo.c
index 821642a7af97e7afa13a187af5ec68c8a67ae93c..3e40747cf57ed4a8f7f20d83510ae08bcfcbd33a 100644 (file)
--- a/builtin-mailinfo.c
+++ b/builtin-mailinfo.c
@@ -165,7 +165,7 @@ static int handle_subject(char *line)
 
 static int slurp_attr(const char *line, const char *name, char *attr)
 {
-       char *ends, *ap = strcasestr(line, name);
+       const char *ends, *ap = strcasestr(line, name);
        size_t sz;
 
        if (!ap) {