	Remove extern decls from *.c files.

diff -ur psutils-1.17.orig/epsffit.c psutils-1.17/epsffit.c
--- psutils-1.17.orig/epsffit.c	2009-06-24 00:22:15.000000000 +0200
+++ psutils-1.17/epsffit.c	2012-03-29 14:25:12.000000000 +0200
@@ -23,7 +23,7 @@
 
 #include "pserror.h"
 #include "patchlev.h"
-#include "config.h"
+#include "psutil.h"
 
 #define MIN(x,y) ((x) > (y) ? (y) : (x))
 #define MAX(x,y) ((x) > (y) ? (x) : (y))
diff -ur psutils-1.17.orig/pserror.c psutils-1.17/pserror.c
--- psutils-1.17.orig/pserror.c	2009-09-01 13:40:27.000000000 +0200
+++ psutils-1.17/pserror.c	2012-03-29 14:25:12.000000000 +0200
@@ -5,8 +5,6 @@
  * Warnings and errors for PS programs
  */
 
-extern char *program ;	/* Defined by main program, giving program name */
-
 #include "psutil.h"
 #include "pserror.h"
 #include "patchlev.h"
diff -ur psutils-1.17.orig/psutil.c psutils-1.17/psutil.c
--- psutils-1.17.orig/psutil.c	2009-09-01 13:43:52.000000000 +0200
+++ psutils-1.17/psutil.c	2012-03-29 14:25:12.000000000 +0200
@@ -23,14 +23,6 @@
 
 #define iscomment(x,y) (strncmp(x,y,strlen(y)) == 0)
 
-extern char *program ;
-extern int pages;
-extern int verbose;
-extern FILE *infile;
-extern FILE *outfile;
-extern char pagelabel[BUFSIZ];
-extern int pageno;
-
 static char buffer[BUFSIZ];
 static long bytes = 0;
 static long pagescmt = 0;
