Mark variables 'static' where possible. Move GinFuzzySearchLimit to ginget.c

Per "clang -Wmissing-variable-declarations" output, posted by Andres Freund.
I didn't silence all those warnings, though, only the most obvious cases.

4 files changed, 4 insertions, 4 deletions

diff --git a/src/backend/access/gin/ginget.c b/src/backend/access/gin/ginget.c
index f2ee2fb966..2e3e86f9d3 100644
--- a/src/backend/access/gin/ginget.c
+++ b/src/backend/access/gin/ginget.c
@@ -20,6 +20,8 @@
 #include "utils/datum.h"
 #include "utils/memutils.h"
 
+/* GUC parameter */
+int			GinFuzzySearchLimit = 0;
 
 typedef struct pendingPosition
 {
diff --git a/src/backend/storage/lmgr/lock.c b/src/backend/storage/lmgr/lock.c
index e4c9fa4ab4..536be44189 100644
--- a/src/backend/storage/lmgr/lock.c
+++ b/src/backend/storage/lmgr/lock.c
@@ -238,7 +238,7 @@ typedef struct
 	uint32		count[FAST_PATH_STRONG_LOCK_HASH_PARTITIONS];
 } FastPathStrongRelationLockData;
 
-FastPathStrongRelationLockData *FastPathStrongRelationLocks;
+static FastPathStrongRelationLockData *FastPathStrongRelationLocks;
 
 
 /*
diff --git a/src/backend/utils/cache/relfilenodemap.c b/src/backend/utils/cache/relfilenodemap.c
index 1469bfaba2..6806fbb073 100644
--- a/src/backend/utils/cache/relfilenodemap.c
+++ b/src/backend/utils/cache/relfilenodemap.c
@@ -33,7 +33,7 @@
 static HTAB *RelfilenodeMapHash = NULL;
 
 /* built first time through in InitializeRelfilenodeMap */
-ScanKeyData relfilenode_skey[2];
+static ScanKeyData relfilenode_skey[2];
 
 typedef struct
 {
diff --git a/src/backend/utils/init/globals.c b/src/backend/utils/init/globals.c
index e76704f315..dd1309be05 100644
--- a/src/backend/utils/init/globals.c
+++ b/src/backend/utils/init/globals.c
@@ -122,5 +122,3 @@ int			VacuumPageDirty = 0;
 
 int			VacuumCostBalance = 0;		/* working state for vacuum */
 bool		VacuumCostActive = false;
-
-int			GinFuzzySearchLimit = 0;