CVS commit by kloecker: 

Backport fix for bug 83235 (Kmail crashes on startup).


  M +3 -2      kmfoldermaildir.cpp   1.79.4.3
  M +2 -1      kmfoldermbox.cpp   1.92.2.3


--- kdepim/kmail/kmfoldermaildir.cpp  #1.79.4.2:1.79.4.3
@@ -107,8 +107,9 @@ int KMFolderMaildir::open()
     } else {
       mIndexStream = fopen(QFile::encodeName(indexLocation()), "r+"); // index file
-      if ( mIndexStream )
+      if ( mIndexStream ) {
         fcntl(fileno(mIndexStream), F_SETFD, FD_CLOEXEC);
       updateIndexStreamPtr();
     }
+    }
 
     if (!mIndexStream)

--- kdepim/kmail/kmfoldermbox.cpp  #1.92.2.2:1.92.2.3
@@ -138,4 +138,5 @@ int KMFolderMbox::open()
      } else {
        mIndexStream = fopen(QFile::encodeName(indexLocation()), "r+"); // index file
+       if ( mIndexStream )
        updateIndexStreamPtr();
      }