Add PIL_check_seconds_timer_i to avoid casting

note, win32 casts still casts from double.

source/blender/blenkernel/intern/image.c

@@ -860,14 +860,14 @@ void BKE_image_memorypack(Image *ima)
 
 void BKE_image_tag_time(Image *ima)
 {
-	ima->lastused = (int)PIL_check_seconds_timer();
+	ima->lastused = PIL_check_seconds_timer_i();
 }
 
 #if 0
 static void tag_all_images_time()
 {
 	Image *ima;
-	int ctime = (int)PIL_check_seconds_timer();
+	int ctime = PIL_check_seconds_timer_i();
 
 	ima = G.main->image.first;
 	while (ima) {

source/blender/blenlib/PIL_time.h

@@ -37,7 +37,7 @@
 extern "C" { 
 #endif
 
-extern 
+extern
 /** Return an indication of time, expressed	as
  * seconds since some fixed point. Successive calls
  * are guaranteed to generate values greater than or
@@ -45,6 +45,12 @@ extern
  */
 double  PIL_check_seconds_timer(void);
 
+extern
+/**
+ * int version of #PIL_check_seconds_timer
+ */
+long int PIL_check_seconds_timer_i(void);
+
 /**
  * Platform-independent sleep function.
  * \param ms Number of milliseconds to sleep

source/blender/blenlib/intern/time.c

@@ -70,6 +70,11 @@ double PIL_check_seconds_timer(void)
 	}
 }
 
+long int PIL_check_seconds_timer_i(void)
+{
+	return (long int)PIL_check_seconds_timer();
+}
+
 void PIL_sleep_ms(int ms)
 {
 	Sleep(ms);
@@ -90,6 +95,16 @@ double PIL_check_seconds_timer(void)
 	return ((double) tv.tv_sec + tv.tv_usec / 1000000.0);
 }
 
+long int PIL_check_seconds_timer_i(void)
+{
+	struct timeval tv;
+	struct timezone tz;
+
+	gettimeofday(&tv, &tz);
+
+	return tv.tv_sec;
+}
+
 void PIL_sleep_ms(int ms)
 {
 	if (ms >= 1000) {

source/blender/gpu/intern/gpu_draw.c

@@ -1324,7 +1324,7 @@ void GPU_free_images_old(void)
 {
 	Image *ima;
 	static int lasttime = 0;
-	int ctime = (int)PIL_check_seconds_timer();
+	int ctime = PIL_check_seconds_timer_i();
 
 	/*
 	 * Run garbage collector once for every collecting period of time