fix missed lock release

h2/src/main/org/h2/mvstore/MVStore.java

@@ -1924,8 +1924,9 @@ public class MVStore {
         // We can't wait fo lock here, because if called from the background thread,
         // it might go into deadlock with concurrent database closure
         // and attempt to stop this thread.
-        if (storeLock.tryLock() && !compactInProgress) {
+        if (storeLock.tryLock()) {
             try {
+                if (!compactInProgress) {
                     compactInProgress = true;
                     ArrayList<Chunk> old = findOldChunks(targetFillRate, write);
                     if (old == null || old.isEmpty()) {
@@ -1933,6 +1934,7 @@ public class MVStore {
                     }
                     compactRewrite(old);
                     return true;
+                }
             } finally {
                 compactInProgress = false;
                 storeLock.unlock();