fix for --open-files-limit and broken query_cache_merge.test

mysys/my_init.c:
  #include moved to mysys_priv.h
mysys/mysys_priv.h:
  #include moved to mysys_priv.h
sql/hostname.cc:
  removed unnecessary #include

mysys/my_init.c

@@ -19,10 +19,6 @@
 #include "mysys_err.h"
 #include <m_string.h>
 #include <m_ctype.h>
-#ifdef HAVE_GETRUSAGE
-#include <sys/resource.h>
-/* extern int     getrusage(int, struct rusage *); */
-#endif
 #include <signal.h>
 #ifdef VMS
 #include <my_static.c>

mysys/mysys_priv.h

@@ -21,6 +21,10 @@
 #include "system_wrappers.h"
 #endif
 
+#ifdef HAVE_GETRUSAGE
+#include <sys/resource.h>
+#endif
+
 #ifdef THREAD
 #include <my_pthread.h>
 extern pthread_mutex_t THR_LOCK_malloc, THR_LOCK_open, THR_LOCK_keycache;
@@ -29,3 +33,4 @@ extern pthread_mutex_t THR_LOCK_charset;
 #else
 #include <my_no_pthread.h>
 #endif
+

sql/hostname.cc

@@ -27,9 +27,6 @@
 extern "C" {					// Because of SCO 3.2V4.2
 #endif
 #if !defined( __WIN__) && !defined(OS2)
-#if !defined(__NETWARE__)
-#include <sys/resource.h>
-#endif /* __NETWARE__ */
 #ifdef HAVE_SYS_UN_H
 #include <sys/un.h>
 #endif