config_*: Remove malloc.h

malloc.h is deprecated and non-standard + nothing seems to be using anything that isn't in stdlib.h anyway

Author: mpiatka

src/config_unix.h

@@ -85,10 +85,6 @@
 #include <stdlib.h>  
 #include <string.h>
 
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-
 #ifdef HAVE_SYS_SOCK_IO_H
 #include <sys/sockio.h>
 #endif

src/config_win32.h

@@ -65,7 +65,6 @@
 
 #include <assert.h>
 #include <process.h>
-#include <malloc.h>
 #include <stdio.h>
 #include <memory.h>
 #include <errno.h>