engine: fix build issues pointed by @Velaron

engine/client/cl_gameui.c

@@ -982,7 +982,7 @@ pfnCheckGameDll
 */
 int GAME_EXPORT pfnCheckGameDll( void )
 {
-#if XASH_INTERNAL_GAMELIBS
+#ifdef XASH_INTERNAL_GAMELIBS
 	return true;
 #else
 	string dllpath;

engine/common/host.c

@@ -1020,7 +1020,7 @@ void Host_InitCommon( int argc, char **argv, const char *progname, qboolean bCha
 #if TARGET_OS_IOS
 		Q_strncpy( host.rootdir, IOS_GetDocsDir(), sizeof( host.rootdir ));
 #elif XASH_ANDROID && XASH_SDL
-		Q_strncpy( host.rootdir, SDL_AndroidGetExternalStoragePath, sizeof( host.rootdir ));
+		Q_strncpy( host.rootdir, SDL_AndroidGetExternalStoragePath(), sizeof( host.rootdir ));
 #elif XASH_PSVITA
 		if ( !PSVita_GetBasePath( host.rootdir, sizeof( host.rootdir )))
 		{