Fix compiler warnings in connect

storage/connect/ha_connect.cc

@@ -433,7 +433,7 @@ handlerton *connect_hton= NULL;
 uint GetTraceValue(void)
 	{return (uint)(connect_hton ? THDVAR(current_thd, xtrace) : 0);}
 bool ExactInfo(void) {return THDVAR(current_thd, exact_info);}
-bool CondPushEnabled(void) {return THDVAR(current_thd, cond_push);}
+static bool CondPushEnabled(void) {return THDVAR(current_thd, cond_push);}
 USETEMP UseTemp(void) {return (USETEMP)THDVAR(current_thd, use_tempfile);}
 int GetConvSize(void) {return THDVAR(current_thd, conv_size);}
 TYPCONV GetTypeConv(void) {return (TYPCONV)THDVAR(current_thd, type_conv);}

storage/connect/tabjson.h

@@ -16,6 +16,7 @@ typedef class JSONDEF *PJDEF;
 typedef class TDBJSON *PJTDB;
 typedef class JSONCOL *PJCOL;
 class TDBJSN;
+PQRYRES JSONColumns(PGLOBAL g, PCSZ db, PCSZ dsn, PTOS topt, bool info);
 
 /***********************************************************************/
 /*  The JSON tree node. Can be an Object or an Array.           	  	 */