Fix some warnings.

zsnes/src/linux/sdllink.c

@@ -23,6 +23,9 @@
 
 #include "SDL_thread.h"
 
+#include <sys/time.h>
+#include <time.h>
+
 typedef unsigned char BYTE;
 typedef unsigned short WORD;
 typedef unsigned long DWORD;

zsnes/src/linux/sw_draw.c

@@ -38,8 +38,8 @@ void UpdateVFrame(void);
 
 BOOL sw_start(int width, int height, int req_depth, int FullScreen)
 {
-    unsigned int color32, p;
-    int i;
+    //unsigned int color32, p;
+    //int i;
     Uint32 flags = SDL_DOUBLEBUF | SDL_SWSURFACE;
     DWORD GBitMask;