reading hist always stopped after the first line

ChangeLog

@@ -58,6 +58,7 @@
   (thanks Christoph)
 - im_generate() checks that im_demand_hint() has been called for this image
 - im_jpeg2vips.c, set scale_num on shrink (thanks Guido)
+- heh argh reading history always stopped after the first line (thanks Haida)
 
 25/3/09 started 7.18.0
 - revised version numbers

libvips/iofuncs/im_open_vips.c

@@ -7,6 +7,8 @@
  *	- block mmaps of nodata images
  * 12/5/09
  *	- fix signed/unsigned warnings
+ * 12/10/09
+ *	- heh argh reading history always stopped after the first line
  */
 
 /*
@@ -689,8 +691,10 @@ set_history( IMAGE *im, char *history )
 	history_list = NULL;
 
 	for( p = history; *p; p = q ) {
-		if( (q = strchr( p, '\n' )) ) 
+		if( (q = strchr( p, '\n' )) ) {
 			*q = '\0';
+			q += 1;
+		}
 		else 
 			q = p + strlen( p );