(svn r14345) -Fix: delete the RenameSignWindow when 'its' sign is deleted

Also, it makes sure the RenameSignWindow isn't open when there are no signs (and crashes associted with that)

1 files changed, 4 insertions, 0 deletions

diff --git a/src/signs.cpp b/src/signs.cpp
index a2d3141b5..a9827c015 100644
--- a/src/signs.cpp
+++ b/src/signs.cpp
@@ -36,6 +36,10 @@ Sign::Sign(PlayerID owner)
 Sign::~Sign()
 {
 	free(this->name);
+
+	if (CleaningPool()) return;
+
+	DeleteRenameSignWindow(this->index);
 	this->owner = INVALID_PLAYER;
 }