Removed malloc.h reference (Eric says ANSI says stdlib.h)

src/catools/caget.c

@@ -19,7 +19,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <malloc.h>
 
 #include <alarm.h>
 #include <tsDefs.h>

src/catools/tool_lib.c

@@ -19,7 +19,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <malloc.h>
 
 #define epicsAlarmGLOBAL
 #include <alarm.h>