Smaller minimum gif delay, fixed issue #71

Makefile

@@ -1,4 +1,4 @@
-VERSION = git-20120824
+VERSION = git-20120829
 
 PREFIX    = /usr/local
 MANPREFIX = $(PREFIX)/share/man

image.c

@@ -31,7 +31,7 @@
 #include "util.h"
 #include "config.h"
 
-enum { MIN_GIF_DELAY = 50 };
+enum { MIN_GIF_DELAY = 25 };
 
 float zoom_min;
 float zoom_max;