Fix missing paired parentheses in HAL media backend.

Signed-off-by: Slávek Banko <slavek.banko@axis.cz>

tdeioslave/media/mediamanager/halbackend.cpp

@@ -1651,7 +1651,7 @@ TQStringVariantMap HALBackend::unmount(const TQString &id)
         return result;
     }
 
-    if (!medium->isMounted())
+    if (!medium->isMounted()) {
         result["result"] = true;
         return result;
     }
@@ -1834,7 +1834,7 @@ TQStringVariantMap HALBackend::unlock(const TQString &id, const TQString &passwo
         return result;
     }
 
-    if (!medium->isEncrypted() || !medium->clearDeviceUdi().isNull())
+    if (!medium->isEncrypted() || !medium->clearDeviceUdi().isNull()) {
         result["result"] = true;
         return result;
     }
@@ -1903,7 +1903,7 @@ TQStringVariantMap HALBackend::lock(const TQString &id)
         return result;
     }
 
-    if (!medium->isEncrypted() || !medium->clearDeviceUdi().isNull())
+    if (!medium->isEncrypted() || !medium->clearDeviceUdi().isNull()) {
         result["result"] = true;
         return result;
     }