2004-09-17 [colin] 0.9.12cvs101

2004-09-17 [colin]	0.9.12cvs101

	* src/main.c
		Fix segfaults when quitting. valgrind says:
			==12144== Invalid read of size 4
			==12144==    at 0x80D7DDA: messageview_is_visible (messageview.c:938)
			[...]
			==12144==  Address 0x1BF1BD30 is 56 bytes inside a block of size 72 free'd
			[...]
			==12144==    by 0x80CC671: exit_sylpheed (main.c:498)