Make sure column cache elements are cleared correctly when jumping over
code for key generation in a partial index. 
Fix for ticket [2ea3e9fe6379fc3f6].

FossilOrigin-Name: 3122b8364082be783821da01d4af2af6a9586327
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 57481b1..7d3302e 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -3135,6 +3135,7 @@
 void sqlite3GenerateRowDelete(Parse*,Table*,Trigger*,int,int,int,i16,u8,u8,u8);
 void sqlite3GenerateRowIndexDelete(Parse*, Table*, int, int, int*);
 int sqlite3GenerateIndexKey(Parse*, Index*, int, int, int, int*,Index*,int);
+void sqlite3ResolvePartIdxLabel(Parse*,int);
 void sqlite3GenerateConstraintChecks(Parse*,Table*,int*,int,int,int,int,
                                      u8,u8,int,int*);
 void sqlite3CompleteInsertion(Parse*,Table*,int,int,int,int*,int,int,int);