Manually import InnoDB fix into build tree.

innobase/include/data0type.ic:
  Fix for sorting of innodb TEXT columns.

innobase/include/data0type.ic

@@ -195,10 +195,12 @@ dtype_get_pad_char(
 	    || type->mtype == DATA_BINARY
 	    || type->mtype == DATA_FIXBINARY
 	    || type->mtype == DATA_MYSQL
-	    || type->mtype == DATA_VARMYSQL) {
+	    || type->mtype == DATA_VARMYSQL
+	    || (type->mtype == DATA_BLOB
+		&& (type->prtype & DATA_BINARY_TYPE) == 0)) {
 
 		/* Space is the padding character for all char and binary
-	        strings */
+	        strings, and starting from 5.0.3, also for TEXT strings. */
 
 		return((ulint)' ');
 	}