ltp: remove redeclarations of getcwd().

commit f3ce2d59c97a49a15520f4551d74f9a76e7431d3
Author: Mike Frysinger <vapier@chromium.org>
Date:   Tue Aug 23 04:44:38 2016 +0000

    symlink01: drop bogus getcwd prototype

    Signed-off-by: Mike Frysinger <vapier@chromium.org>

BUG=chromium:640358
TEST=The errors for symlink01.c go away with clang-FORTIFY enabled.

Change-Id: I11a76bbb5be49c6cd8674c920e6b6f26b0583f15
Reviewed-on: https://chromium-review.googlesource.com/374503
Commit-Ready: George Burgess <gbiv@google.com>
Tested-by: George Burgess <gbiv@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
diff --git a/testcases/kernel/syscalls/symlink/symlink01.c b/testcases/kernel/syscalls/symlink/symlink01.c
index c5c1315..dae5968 100644
--- a/testcases/kernel/syscalls/symlink/symlink01.c
+++ b/testcases/kernel/syscalls/symlink/symlink01.c
@@ -214,6 +214,7 @@
 #include <sys/param.h>
 #include <sys/stat.h>		/* stat(2) and lstat(2) system calls */
 #include <stdint.h>
+#include <unistd.h>
 
 #include "test.h"
 #include "usctest.h"
@@ -803,7 +804,7 @@
 int creat_path_max(char *path1, char *path2, char *path3)
 {
 	int ctr, to_go, size, whole_chunks;
-	char *cwd, *getcwd();
+	char *cwd;
 
 	if ((cwd = getcwd(NULL, 0)) == NULL) {
 		TEST_RESULT = TBROK;
@@ -1498,7 +1499,7 @@
 				 "symbolic link which which pointed at object");
 		else {
 
-			char *cwd, *getcwd();
+			char *cwd;
 			char expected_location[PATH_MAX];
 			/*
 			 *  Build expected current directory position