Minix editline v0.1.2

=====================

Don't use AC_FUNC_MALLOC/REALLOC to check for malloc()/realloc() this seems to
confuse not only AIX but also embedded targets using uClibc (Snapgear).  Instead
we now check for malloc.h and include that in the internal editline.h

src/editline.h

@@ -4,6 +4,9 @@
 */
 #include <config.h>
 #include <stdio.h>
+#ifdef HAVE_MALLOC_H
+#include <malloc.h>
+#endif
 #ifdef HAVE_STDLIB_H
 #include <stdlib.h>
 #endif