[evince] Fix problem with some pk fonts.

[Jose Aliste <jaliste src gnome org>]

commit 0a6e8aabcc46d47b5d84e5414cd0e07d57ef171b
Author: José Aliste <jaliste src gnome org>
Date:   Mon Jan 17 14:30:00 2011 -0300

    Fix problem with some pk fonts.

 backend/dvi/mdvi-lib/pk.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/backend/dvi/mdvi-lib/pk.c b/backend/dvi/mdvi-lib/pk.c
index 08377e6..a911613 100644
--- a/backend/dvi/mdvi-lib/pk.c
+++ b/backend/dvi/mdvi-lib/pk.c
@@ -328,13 +328,14 @@ static int pk_load_font(DviParams *unused, DviFont *font)
 {
 	int	i;
 	int	flag_byte;
-	int	loc, hic, maxch;
+	int	hic, maxch;
 	Int32	checksum;
 	FILE	*p;
 #ifndef NODEBUG
 	char	s[256];
 #endif
 	long	alpha, beta, z;
+	unsigned int loc;
 
 	font->chars = xnalloc(DviFontChar, 256);
 	p = font->in;
@@ -521,7 +522,7 @@ static int pk_load_font(DviParams *unused, DviFont *font)
 	}
 
 	/* resize font char data */
-	if(loc > 0 && hic < maxch-1) {
+	if(loc > 0 || hic < maxch-1) {
 		memmove(font->chars, font->chars + loc, 
 			(hic - loc + 1) * sizeof(DviFontChar));
 		font->chars = xresize(font->chars,