Make unnecessary extern into static

diff --git a/lib/pathplan/shortestpth.c b/lib/pathplan/shortestpth.c
index acefca0c7d2778094c43654c49e822033c768ccd..36e26df1f3915b730ebfdf344c9b8edeab498439 100644 (file)
--- a/lib/pathplan/shortestpth.c
+++ b/lib/pathplan/shortestpth.c
@@ -21,7 +21,7 @@
 #include "dmalloc.h"
 #endif
 
-COORD unseen = (double) INT_MAX;
+static COORD unseen = (double) INT_MAX;
 
 /* shortestPath:
  * Given a VxV weighted adjacency matrix, compute the shortest