Index: ext/misc/regexp.c
==================================================================
--- ext/misc/regexp.c
+++ ext/misc/regexp.c
@@ -608,11 +608,11 @@
 
 /* Free and reclaim all the memory used by a previously compiled
 ** regular expression.  Applications should invoke this routine once
 ** for every call to re_compile() to avoid memory leaks.
 */
-void re_free(ReCompiled *pRe){
+static void re_free(ReCompiled *pRe){
   if( pRe ){
     sqlite3_free(pRe->aOp);
     sqlite3_free(pRe->aArg);
     sqlite3_free(pRe);
   }
@@ -622,11 +622,11 @@
 ** Compile a textual regular expression in zIn[] into a compiled regular
 ** expression suitable for us by re_match() and return a pointer to the
 ** compiled regular expression in *ppRe.  Return NULL on success or an
 ** error message if something goes wrong.
 */
-const char *re_compile(ReCompiled **ppRe, const char *zIn, int noCase){
+static const char *re_compile(ReCompiled **ppRe, const char *zIn, int noCase){
   ReCompiled *pRe;
   const char *zErr;
   int i, j;
 
   *ppRe = 0;