Thumbnails only get scaled down, fixed issue #27

Makefile

@@ -1,4 +1,4 @@
-VERSION = git-20111101
+VERSION = git-20111105
 
 CC      = gcc
 CFLAGS  = -ansi -Wall -pedantic -O2

thumbs.c

@@ -267,6 +267,7 @@ bool tns_load(tns_t *tns, int n, const fileinfo_t *file,
 	zw = (float) THUMB_SIZE / (float) w;
 	zh = (float) THUMB_SIZE / (float) h;
 	z = MIN(zw, zh);
+	z = MIN(z, 1.0);
 	t->w = z * w;
 	t->h = z * h;