autoconf: Checks for libraries

diff --git a/xdiff-interface.c b/xdiff-interface.c
index f7d6f988298e3906a1a525fed484dc093404e4f9..6a82da73b6d3b6b8cca23c3183cddc36c5cafb4b 100644 (file)
--- a/xdiff-interface.c
+++ b/xdiff-interface.c
@@ -1,10 +1,10 @@
 #include "cache.h"
 #include "xdiff-interface.h"
 
-static int parse_num(char **cp_p, unsigned int *num_p)
+static int parse_num(char **cp_p, int *num_p)
 {
        char *cp = *cp_p;
-       unsigned int num = 0;
+       int num = 0;
        int read_some;
 
        while ('0' <= *cp && *cp <= '9')
@@ -17,8 +17,8 @@ static int parse_num(char **cp_p, unsigned int *num_p)
 }
 
 int parse_hunk_header(char *line, int len,
-                     unsigned int *ob, unsigned int *on,
-                     unsigned int *nb, unsigned int *nn)
+                     int *ob, int *on,
+                     int *nb, int *nn)
 {
        char *cp;
        cp = line + 4;