Bug#57994: Compiler flag change build error : my_redel.c

Although ICC identifies itself as GCC, even in version numbers,
it does not support the stpcpy built-in.

include/m_string.h:
  Work around ICC. Hacks...

include/m_string.h

@@ -73,7 +73,7 @@ extern "C" {
 extern void *(*my_str_malloc)(size_t);
 extern void (*my_str_free)(void *);
 
-#if defined(HAVE_STPCPY) && MY_GNUC_PREREQ(3, 4)
+#if defined(HAVE_STPCPY) && MY_GNUC_PREREQ(3, 4) && !defined(__INTEL_COMPILER)
 #define strmov(A,B) __builtin_stpcpy((A),(B))
 #elif defined(HAVE_STPCPY)
 #define strmov(A,B) stpcpy((A),(B))