[sql] Import SQLite 3.17.0.

third_party/sqlite/src/ext/misc/percentile.c

Index: third_party/sqlite/src/ext/misc/percentile.c
diff --git a/third_party/sqlite/src/ext/misc/percentile.c b/third_party/sqlite/src/ext/misc/percentile.c
index 74a4c9d12b45a12477cde8c131698760d469819c..a5d7e84913a9ce9f84942e2784b8fbe74b884428 100644
--- a/third_party/sqlite/src/ext/misc/percentile.c
+++ b/third_party/sqlite/src/ext/misc/percentile.c
@@ -167,7 +167,7 @@ static void percentStep(sqlite3_context *pCtx, int argc, sqlite3_value **argv){
 /*
 ** Compare to doubles for sorting using qsort()
 */
-static int doubleCmp(const void *pA, const void *pB){
+static int SQLITE_CDECL doubleCmp(const void *pA, const void *pB){
   double a = *(double*)pA;
   double b = *(double*)pB;
   if( a==b ) return 0;