master 293a97d61e: Fix 32-bit Haiku build

[Po Lu]

branch: master
commit 293a97d61e1977440f96b7fc91f281a06250ea72
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Fix 32-bit Haiku build
    
    * src/haiku_support.cc (MessageReceived): Fix type of
    `old_what'.
---
 src/haiku_support.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/haiku_support.cc b/src/haiku_support.cc
index 105da3969f..5dfb25d6dd 100644
--- a/src/haiku_support.cc
+++ b/src/haiku_support.cc
@@ -2989,7 +2989,7 @@ class EmacsFilePanelCallbackLooper : public BLooper
     BEntry entry;
     BPath path;
     entry_ref ref;
-    int old_what;
+    int32 old_what;
 
     if (msg->what == FILE_PANEL_SELECTION
        || ((msg->FindInt32 ("old_what", &old_what) == B_OK