File r890876-procmail-crash.diff of Package kdepim4

Subject: Fix crash on parsing procmail file
From: wstephenson@suse.de
Bug: kde#173964
Patch-Upstream: 890876
Index: kmail/accountdialog.cpp
===================================================================
--- kmail/accountdialog.cpp	(revision 890875)
+++ kmail/accountdialog.cpp	(revision 890876)
@@ -217,8 +217,9 @@
   do {
     prevLine = line;
     line = mStream->readLine().trimmed();
-  } while ( !mStream->atEnd() && (line[0] == '*' ||
-                                prevLine[prevLine.length() - 1] == '\\' ));
+  } while ( !mStream->atEnd() &&
+             ( line[0] == '*' ||
+               prevLine.length() > 0 && prevLine[prevLine.length() - 1] == '\\' ) );
 
   if( line[0] != '!' && line[0] != '|' &&  line[0] != '{' ) {
     // this is a filename, expand it