Remove some extraneous dreamcast changes from utils.c

Also add stdlib to fix some warnings.

utils.c

@@ -17,6 +17,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdarg.h>
+#include <stdlib.h>
 #include <ctype.h>
 
 #if defined(HAVE_LIMITS_H)
@@ -80,8 +81,6 @@ void gtk_menu_ensure_uline_accel_group ()
 }
 #endif
 
-#ifndef DREAMCAST
-
 #ifndef BENCHMARK
 static double osd_getTime(void)
 {
@@ -126,33 +125,9 @@ static void osd_sleep(double s)
 }
 #endif /* !BENCHMARK */
 
-#else	/* DREAMCAST */
-static double osd_getTime(void)
-{/*
-  struct timeval tp;
-  gettimeofday(&tp, NULL);
-  return tp.tv_sec + 1e-6 * tp.tv_usec;
-*/
-	return 0;
-}
-
-
-static void osd_sleep(double s)
-{
-/*
-  if (s > 0)
-  {
-    timer_spin_sleep(something
-
-  }*/
-}
-#endif /* DREAMCAST */
-
-
 void
 wait_next_vsync()
 {
-#ifndef DREAMCSAT
 #ifndef BENCHMARK
   static double lasttime = 0, lastcurtime = 0, frametime = 0.1;
   double curtime;
@@ -170,7 +145,6 @@ wait_next_vsync()
   if ((lasttime + deltatime) < curtime)
     lasttime = curtime;
 #endif
-#endif /*DREAMCSAT*/
 }
 
 #if defined(WIN32)
@@ -521,7 +495,7 @@ strupr(char *s)
   return t;
 }
 
-#if !defined(FREEBSD) //&& !defined(DREAMCAST)
+#if !defined(FREEBSD)
 char *
 strcasestr (const char *s1, const char *s2)
 {