refactor skip_prefix to return a boolean

diff --git a/config.c b/config.c
index a1aef1cf3eca01e328b3e319636269236ea91ae0..ba882a1f51de347dc52fa8c52623dbc376f36d80 100644 (file)
--- a/config.c
+++ b/config.c
@@ -138,8 +138,7 @@ int git_config_include(const char *var, const char *value, void *data)
        if (ret < 0)
                return ret;
 
-       type = skip_prefix(var, "include.");
-       if (!type)
+       if (!skip_prefix(var, "include.", &type))
                return ret;
 
        if (!strcmp(type, "path"))