Zend/zend_alloc: include cleanup

In the C file, include the header first so missing #includes are
detected by the compiler, and use lighter header dependencies in the
header, to speed up compile times.

Author: MaxKellermann

Zend/zend_alloc.c

@@ -51,8 +51,8 @@
  * with more specialized routines when the requested size is known.
  */
 
-#include "zend.h"
 #include "zend_alloc.h"
+#include "zend.h"
 #include "zend_globals.h"
 #include "zend_operators.h"
 #include "zend_multiply.h"

Zend/zend_alloc.h

@@ -21,10 +21,8 @@
 #ifndef ZEND_ALLOC_H
 #define ZEND_ALLOC_H
 
-#include <stdio.h>
-
-#include "../TSRM/TSRM.h"
-#include "zend.h"
+#include "zend_portability.h" // for BEGIN_EXTERN_C
+#include "zend_types.h" // for zend_result
 
 #ifndef ZEND_MM_ALIGNMENT
 # error "ZEND_MM_ALIGNMENT was not defined during configure"