[sql] Move time-machine support from third_party/sqlite to sql/

third_party/sqlite/src/ext/fts3/fts3_porter.c

Index: third_party/sqlite/src/ext/fts3/fts3_porter.c
diff --git a/third_party/sqlite/src/ext/fts3/fts3_porter.c b/third_party/sqlite/src/ext/fts3/fts3_porter.c
index b180ee251ddf786526ea83c5387d82c760c8f007..8fb4c25daa0a9ff27d0f3699ff6bd7e0a6e4c3a5 100644
--- a/third_party/sqlite/src/ext/fts3/fts3_porter.c
+++ b/third_party/sqlite/src/ext/fts3/fts3_porter.c
@@ -128,7 +128,7 @@ static int porterClose(sqlite3_tokenizer_cursor *pCursor){
 /*
 ** Vowel or consonant
 */
-static const char vOrCType[] = {
+static const char cType[] = {
    0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0,
    1, 1, 1, 2, 1
 };
@@ -152,7 +152,7 @@ static int isConsonant(const char *z){
   char x = *z;
   if( x==0 ) return 0;
   assert( x>='a' && x<='z' );
-  j = vOrCType[x-'a'];
+  j = cType[x-'a'];
   if( j<2 ) return j;
   return z[1]==0 || isVowel(z + 1);
 }
@@ -161,7 +161,7 @@ static int isVowel(const char *z){
   char x = *z;
   if( x==0 ) return 0;
   assert( x>='a' && x<='z' );
-  j = vOrCType[x-'a'];
+  j = cType[x-'a'];
   if( j<2 ) return 1-j;
   return isConsonant(z + 1);
 }