config: squelch stupid compilerjc/config-case-cmdline

Some compilers do not realize that *cp is always '.' when the loop
to find the last dot begins, and instead gives a useless warning
that says last_dot may be uninitialized.

Squelch it by being a bit more explicit if stupid.

Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/config.c b/config.c
index e7f7ff1938..90de27853f 100644
--- a/config.c
+++ b/config.c
@@ -239,7 +239,7 @@ static int canonicalize_config_variable_name(char *varname)
 		return -1; /* no section? */
 
 	/* find the last dot (we start from the first dot we just found) */
-	for (; *cp; cp++)
+	for (last_dot = cp; *cp; cp++)
 		if (*cp == '.')
 			last_dot = cp;