Fix for [54844eea3f]: Do not create automatic indexes on correlated sub-queries.

FossilOrigin-Name: 9f14fa56ba31afe3de8b0cf26ed09573a2cc2283

src/sqliteInt.h

@@ -1848,6 +1848,7 @@ struct SrcList {
     u8 isPopulated;   /* Temporary table associated with SELECT is populated */
     u8 jointype;      /* Type of join between this able and the previous */
     u8 notIndexed;    /* True if there is a NOT INDEXED clause */
+    u8 isCorrelated;  /* True if sub-query is correlated */
 #ifndef SQLITE_OMIT_EXPLAIN
     u8 iSelectId;     /* If pSelect!=0, the id of the sub-select in EQP */
 #endif