Fix int/EMACS_INT use in callproc.c.

 callproc.c (Fcall_process): Use EMACS_INT for count of
 characters read from the subprocess.

src/ChangeLog

 2010-09-24  Eli Zaretskii  <eliz@gnu.org>
 
+	* callproc.c (Fcall_process): Use EMACS_INT for count of
+	characters read from the subprocess.
+
 	* bidi.c (struct bidi_paragraph_info): Use EMACS_INT for buffer
 	positions.
 	(bidi_cache_search, bidi_cache_find): Use EMACS_INT for buffer

src/callproc.c

@@ -678,9 +678,9 @@ usage: (call-process PROGRAM &optional INFILE BUFFER DISPLAY &rest ARGS)  */)
   QUIT;
 
   {
-    register int nread;
+    register EMACS_INT nread;
     int first = 1;
-    int total_read = 0;
+    EMACS_INT total_read = 0;
     int carryover = 0;
     int display_on_the_fly = display_p;
     struct coding_system saved_coding;