git-merge: show usage if run without arguments

diff --git a/help.c b/help.c
index 9ecdefdb03be7fac8d9283c93f2320f71bd062d6..0824c25226ad7b106e56d1b7c23fad40eed92749 100644 (file)
--- a/help.c
+++ b/help.c
@@ -184,7 +184,7 @@ static void show_man_page(const char *git_cmd)
                page = git_cmd;
        else {
                int page_len = strlen(git_cmd) + 4;
-               char *p = malloc(page_len + 1);
+               char *p = xmalloc(page_len + 1);
                strcpy(p, "git-");
                strcpy(p + 4, git_cmd);
                p[page_len] = 0;