Fix error and warnings raised by gcc on Linux:

 Define O_RDONLY in jsonudf.cpp
 Correct wrong deinit function names
 Make Locate functions use the variable more
 Avoid signed/unsigned warning in ha_connect.cc GetIntegerTableOption
 Initialize oom in tabodbc MakeInsert
  modified:   storage/connect/ha_connect.cc
  modified:   storage/connect/jsonudf.cpp
  modified:   storage/connect/tabodbc.cpp

storage/connect/ha_connect.cc

@@ -1114,7 +1114,7 @@ int GetIntegerTableOption(PGLOBAL g, PTOS options, char *opname, int idef)
   else if (!stricmp(opname, "Compressed"))
     opval= (options->compressed);
 
-  if (opval == (unsigned)NO_IVAL) {
+  if (opval == (ulonglong)NO_IVAL) {
     char *pv;
 
     if ((pv= GetListOption(g, opname, options->oplist)))

storage/connect/jsonudf.cpp

@@ -19,11 +19,9 @@
 #define _O_RDONLY O_RDONLY
 #endif
 
-
 #define MEMFIX  4096
 #if defined(connect_EXPORTS)
-#define PUSH_WARNING(M) \ 
-push_warning(current_thd, Sql_condition::WARN_LEVEL_WARN, 0, M)
+#define PUSH_WARNING(M) push_warning(current_thd, Sql_condition::WARN_LEVEL_WARN, 0, M)
 #else
 #define PUSH_WARNING(M) htrc(M)
 #endif