Remove redundant declarations to allow building with -Wredundant-decls.

git-svn-id: svn://svn.berlios.de/openocd/trunk@1560 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/helper/fileio.c

@@ -43,7 +43,6 @@
 #include <errno.h>
 #include <ctype.h>
 
-int fileio_close(fileio_t *fileio);
 int fileio_dispatch_read(fileio_t *fileio, u32 size, u8 *buffer, u32 *size_read);
 
 int fileio_open_local(fileio_t *fileio)

src/helper/jim.c

@@ -11979,7 +11979,7 @@ static int Jim_EnvCoreCommand(Jim_Interp *interp, int argc,
 
     if (argc == 1) {
 
-#ifndef _WIN32
+#if !defined(_WIN32) && !defined(__USE_GNU)
         extern char **environ;
 #endif
 

src/helper/replacements.c

@@ -64,6 +64,7 @@ void *fill_malloc(size_t size)
 	return t;
 }
 
+#define IN_REPLACEMENTS_C
 #include "replacements.h"
 
 #include <stdio.h>

src/helper/replacements.h

@@ -103,9 +103,11 @@ struct timezone;
 extern int gettimeofday(struct timeval *tv, struct timezone *tz);
 #endif
 
+#ifndef IN_REPLACEMENTS_C
 /**** clear_malloc & fill_malloc ****/
 void *clear_malloc(size_t size);
 void *fill_malloc(size_t size);
+#endif
 
 /*
  * Now you have 3 ways for the malloc function:

src/helper/time_support.c

@@ -33,9 +33,6 @@
 
 #include <stdlib.h>
 
-int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y);
-int timeval_add(struct timeval *result, struct timeval *x, struct timeval *y);
-int timeval_add_time(struct timeval *result, int sec, int usec);
 
 /* calculate difference between two struct timeval values */
 int timeval_subtract(struct timeval *result, struct timeval *x, struct timeval *y)