make guc variable external

pashkinelfe · pashkinelfe · commit 5abca543f22b · 2020-09-29T22:18:42.000+04:00
diff --git a/src/rumsort.c b/src/rumsort.c
@@ -54,7 +54,7 @@
 
 /* GUC variables */
 #ifdef TRACE_SORT
-bool	trace_sort = false;
+extern bool	trace_sort;
 #endif
 
 typedef struct
