Fixed windows command line crash (thanks MKendora)

zsnes/src/ui.asm

@@ -40,6 +40,8 @@ EXTSYM LinuxExit
 EXTSYM GetFilename
 %endif
 
+EXTSYM OSExit
+
 NEWSYM UIAsmStart
 %include "betauser.mac"
 
@@ -1516,6 +1518,9 @@ NEWSYM DosExit ; Terminate Program
 %ifdef __LINUX__
 	call LinuxExit
 %else
+%ifdef __WIN32__
+	call OSExit
+	%else
 	jmp .nodeallocate
 
 	mov ebx,memfreearray
@@ -1535,4 +1540,5 @@ NEWSYM DosExit ; Terminate Program
 	mov    ax,4c00h            ;terminate
 	int    21h
 %endif
+%endif
 NEWSYM UIAsmEnd