Fix several build warnings and minor bugs

libgamestream/client.c

@@ -421,7 +421,7 @@ int gs_unpair(PSERVER_DATA server) {
 int gs_pair(PSERVER_DATA server, char* pin) {
   int ret = GS_OK;
   char* result = NULL;
-  char url[4096];
+  char url[5120];
   uuid_t uuid;
   char uuid_str[UUID_STRLEN];
 
@@ -701,10 +701,8 @@ int gs_start_app(PSERVER_DATA server, STREAM_CONFIGURATION *config, int appId, b
 
   PDISPLAY_MODE mode = server->modes;
   bool correct_mode = false;
-  bool supported_resolution = false;
   while (mode != NULL) {
     if (mode->width == config->width && mode->height == config->height) {
-      supported_resolution = true;
       if (mode->refresh == config->fps)
         correct_mode = true;
     }

libgamestream/http.c

@@ -26,9 +26,6 @@
 
 static CURL *curl;
 
-static const char *pCertFile = "./client.pem";
-static const char *pKeyFile = "./key.pem";
-
 static bool debug;
 
 static size_t _write_curl(void *contents, size_t size, size_t nmemb, void *userp)

libgamestream/xml.c

@@ -25,8 +25,6 @@
 
 #define STATUS_OK 200
 
-static XML_Parser parser;
-
 struct xml_query {
   char *memory;
   size_t size;