Remove test for MoveFileExA.

Now only used in Windows files (unconditionally).

CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 28315f2..7fe8961 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -44,8 +44,6 @@
 CHECK_FUNCTION_EXISTS(strcasecmp HAVE_STRCASECMP)
 CHECK_FUNCTION_EXISTS(strdup HAVE_STRDUP)
 
-CHECK_SYMBOL_EXISTS(MoveFileExA windows.h HAVE_MOVEFILEEXA)
-
 CHECK_INCLUDE_FILES(fts.h HAVE_FTS_H)
 CHECK_INCLUDE_FILES(stdbool.h HAVE_STDBOOL_H)
 CHECK_INCLUDE_FILES(strings.h HAVE_STRINGS_H)

cmake-config.h.in

diff --git a/cmake-config.h.in b/cmake-config.h.in
index 5d75e79..36f2baa 100644
--- a/cmake-config.h.in
+++ b/cmake-config.h.in
@@ -21,7 +21,6 @@
 #cmakedefine HAVE_STRCASECMP
 #cmakedefine HAVE_STRDUP
 #cmakedefine HAVE_STRUCT_TM_TM_ZONE
-#cmakedefine HAVE_MOVEFILEEXA
 #cmakedefine HAVE_STDBOOL_H
 #cmakedefine HAVE_STRINGS_H
 #cmakedefine HAVE_UNISTD_H

configure.ac

diff --git a/configure.ac b/configure.ac
index 0fcff33..4b3f592 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,14 +55,6 @@
 AC_CHECK_FUNCS([_close _dup _fdopen _fileno _open _snprintf _strdup _stricmp fseeko ftello getopt open snprintf strcasecmp strdup])
 AC_CHECK_FUNCS([mkstemp], [], [AC_LIBOBJ(mkstemp)])
 
-AC_MSG_CHECKING([MoveFileExA])
-AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <windows.h>],
-			       [MoveFileExA("", "", 0);])],
-	       [AC_MSG_RESULT([yes])
-	        AC_DEFINE([HAVE_MOVEFILEEXA], [1],
-			[Define to 1 if you have the `MoveFileExA' function.])],
-	       [AC_MSG_RESULT([no])])
-
 AC_CHECK_HEADERS([fts.h stdbool.h strings.h unistd.h])
 
 AC_CHECK_TYPES([int8_t])

xcode/config.h

diff --git a/xcode/config.h b/xcode/config.h
index e032253..7f77787 100644
--- a/xcode/config.h
+++ b/xcode/config.h
@@ -44,9 +44,6 @@
 /* Define to 1 if you have the `mkstemp' function. */
 #define HAVE_MKSTEMP 1
 
-/* Define to 1 if you have the `MoveFileExA' function. */
-/* #undef HAVE_MOVEFILEEXA */
-
 /* Define to 1 if you have the `open' function. */
 #define HAVE_OPEN 1