Fixed compile warnings

Fixed some mtr test problems



dbug/tests.c:
  Fixed compiler warnings
mysql-test/r/handlersocket.result:
  Fixed that plugin_license is written
mysql-test/suite/innodb/t/innodb_bug60196.test:
  Force sorted results as it was sometimes different on windows
mysql-test/suite/rpl/t/rpl_heartbeat_basic.test:
  Prolong test as this failed on windows
mysql-test/t/handlersocket.test:
  Fixed that plugin_license is written
plugin/handler_socket/handlersocket/handlersocket.cpp:
  Use maria_declare_plugin
plugin/handler_socket/handlersocket/mysql_incl.hpp:
  Fixed compiler warning
plugin/handler_socket/libhsclient/auto_addrinfo.hpp:
  Fixed compiler warning
sql/handler.h:
  Fixed typo
sql/sql_plugin.cc:
  Fixed bug that caused plugin library name twice in error message
storage/maria/ma_checkpoint.c:
  Fixed compiler warning
storage/maria/ma_loghandler.c:
  Fixed compiler warning
unittest/mysys/base64-t.c:
  Fixed compiler warning
unittest/mysys/bitmap-t.c:
  Fixed compiler warning
unittest/mysys/my_malloc-t.c:
  Fixed compiler warning

unittest/mysys/base64-t.c

@@ -24,7 +24,7 @@
 #define BASE64_ROWS 4                           /* Number of ok(..) */
 
 int
-main(int argc,char *argv[])
+main(int argc __attribute__((unused)),char *argv[])
 {
   int i, cmp;
   size_t j, k, l, dst_len, needed_length;

unittest/mysys/bitmap-t.c

@@ -520,7 +520,7 @@ error:
   return TRUE;
 }
 
-int main(int argc,char *argv[])
+int main(int argc __attribute__((unused)),char *argv[])
 {
   int i;
   int const min_size = 1;

unittest/mysys/my_malloc-t.c

@@ -17,7 +17,7 @@
 #include <my_sys.h>
 #include "tap.h"
 
-int main(int argc,char *argv[])
+int main(int argc __attribute__((unused)),char *argv[])
 {
   void *p;
   MY_INIT(argv[0]);