Fix DB relation names to use plurals

java/ql/lib/config/semmlecode.dbscheme

@@ -1044,7 +1044,7 @@ ktCommentSectionSubjectNames(
 )
 
 #keyset[id, owner]
-ktCommentOwner(
+ktCommentOwners(
   int id: @ktcomment ref,
   int owner: @top ref
 )
@@ -1055,7 +1055,7 @@ ktCommentOwner(
 @ktloopstmt = @whilestmt
             | @dostmt;
 
-ktBreakContinueTarget(
+ktBreakContinueTargets(
   unique int id: @breakcontinuestmt ref,
   int target: @ktloopstmt ref
 )

java/ql/lib/semmle/code/java/Statement.qll

@@ -900,7 +900,7 @@ class KtLoopStmt extends Stmt, @ktloopstmt {
 abstract class KtBreakContinueStmt extends Stmt, @breakcontinuestmt {
   KtLoopStmt loop;
 
-  KtBreakContinueStmt() { ktBreakContinueTarget(this, loop) }
+  KtBreakContinueStmt() { ktBreakContinueTargets(this, loop) }
 
   /** Gets the target loop statement of this `break`. */
   KtLoopStmt getLoopStmt() { result = loop }