Changed splash to show system RAM in MB if < 1 GB

Modified the splash screen to show system RAM in MB rather than GB if there
is less than 1024MB of RAM available.  So, instead of showing "0GB", it would
show, e.g.,  "923MB".

	modified:   src/display.c

src/display.c

@@ -479,11 +479,17 @@ int display_splash(int input){
   switch(SD_SYS){
   case(50):
     sprintf(sd_systype," Linux");
-    sprintf(sd_memsize," with %dGB RAM",(int)floor(SYS_RAM/1024.));
+    if(SYS_RAM < 1024.)
+      sprintf(sd_memsize," with %dMB RAM",(int)floor(SYS_RAM));
+    else
+      sprintf(sd_memsize," with %dGB RAM",(int)floor(SYS_RAM/1024.));
     break;
   case(51):
     sprintf(sd_systype," Mac");
-    sprintf(sd_memsize," with %dGB RAM",(int)floor(SYS_RAM/1024.));
+    if(SYS_RAM < 1024.)
+      sprintf(sd_memsize," with %dMB RAM",(int)floor(SYS_RAM));
+    else
+      sprintf(sd_memsize," with %dGB RAM",(int)floor(SYS_RAM/1024.));
     break;
   case(52):
     sprintf(sd_systype,"n unrecognized");