[PATCH] fix field width/precision warnings in blame.c

Using "size_t" values for printf field width/precision upsets gcc, it
wants to see an "int".

Signed-off-by: Tony Luck <tony.luck@intel.com>

---

gcc -o blame.o -c -g -O2 -Wall -DSHA1_HEADER='<openssl/sha.h>'  blame.c
blame.c: In function `main':
blame.c:864: warning: field width is not type int (arg 2)
blame.c:864: warning: field precision is not type int (arg 3)
blame.c:868: warning: field width is not type int (arg 2)
blame.c:868: warning: field precision is not type int (arg 3)

diff --git a/blame.c b/blame.c
index 9c97aec..7e88833 100644
--- a/blame.c
+++ b/blame.c

@@ -748,7 +748,7 @@ int main(int argc, const char **argv)
 	struct commit_info ci;
 	const char *buf;
 	int max_digits;
-	size_t longest_file, longest_author;
+	int longest_file, longest_author;
 	int found_rename;
 
 	const char* prefix = setup_git_directory();