http: treat config options sslCAPath and sslCAInfo as paths

This enables ~ and ~user expansion for these config options.
Signed-off-by: NCharles Bailey <cbailey32@bloomberg.net>
Signed-off-by: NJeff King <peff@peff.net>

http.c

@@ -215,10 +215,10 @@ static int http_options(const char *var, const char *value, void *cb)
 #endif
 #if LIBCURL_VERSION_NUM >= 0x070908
 	if (!strcmp("http.sslcapath", var))
-		return git_config_string(&ssl_capath, var, value);
+		return git_config_pathname(&ssl_capath, var, value);
 #endif
 	if (!strcmp("http.sslcainfo", var))
-		return git_config_string(&ssl_cainfo, var, value);
+		return git_config_pathname(&ssl_cainfo, var, value);
 	if (!strcmp("http.sslcertpasswordprotected", var)) {
 		ssl_cert_password_required = git_config_bool(var, value);
 		return 0;