Staticify.

Mark some functions "static".

Change-Id: Ia80bccab1f72690729e43f99783d34fe366108b2
diff --git a/vm/compiler/codegen/arm/CodegenCommon.c b/vm/compiler/codegen/arm/CodegenCommon.c
index d8854ba..ee5d9f5 100644
--- a/vm/compiler/codegen/arm/CodegenCommon.c
+++ b/vm/compiler/codegen/arm/CodegenCommon.c
@@ -361,7 +361,7 @@
 }
 
 /* Create the PC reconstruction slot if not already done */
-extern ArmLIR *genCheckCommon(CompilationUnit *cUnit, int dOffset,
+static ArmLIR *genCheckCommon(CompilationUnit *cUnit, int dOffset,
                               ArmLIR *branch,
                               ArmLIR *pcrLabel)
 {