From: Wolfgang Rosenauer <stark@suse.de>
Subject: Fix compiler warnings which disturb autobuild
References:

### autobuild
... testing for serious compiler warnings
Program is using uninitialized variables. Note the difference between "is used" 
and "may be used". Please investigate and fix.
Problematic file(s) and their linenumbers:
  certificate.c: 541
  nsUnicodeToJamoTTF.cpp: 855
  nsObjectFrame.cpp: 1933
###

### autobuild
... testing for serious compiler warnings
Program returns random data in a function. Please fix.
Problematic file(s) and their linenumbers:
  nsWebShell.cpp: 562
  Program is using uninitialized variables. Note the difference between "is used" and "may be used".
  Please investigate and fix.
  Problematic file(s) and their linenumbers:
  nsFrame.cpp: 3536
###

--- gfx/src/gtk/nsFontMetricsUtils.cpp.old	2005-03-24 07:27:33.000000000 +0100
+++ gfx/src/gtk/nsFontMetricsUtils.cpp	2005-03-24 07:28:26.000000000 +0100
@@ -75,6 +75,7 @@ NS_FontMetricsGetHints(void)
 #ifdef MOZ_ENABLE_COREXFONTS
     return nsFontMetricsGTK::GetHints();
 #endif
+    return 1;
 }
 
 nsresult
@@ -95,6 +96,7 @@ NS_FontMetricsFamilyExists(nsIDeviceCont
 #ifdef MOZ_ENABLE_COREXFONTS
     return nsFontMetricsGTK::FamilyExists(aDevice, aName);
 #endif
+    return 1;
 }
 
 #ifdef MOZ_ENABLE_XFT
Index: docshell/base/nsWebShell.cpp
===================================================================
RCS file: /cvsroot/mozilla/docshell/base/nsWebShell.cpp,v
retrieving revision 1.656.2.1
diff -u -p -6 -r1.656.2.1 nsWebShell.cpp
--- docshell/base/nsWebShell.cpp	16 Sep 2005 19:11:52 -0000	1.656.2.1
+++ docshell/base/nsWebShell.cpp	22 Sep 2005 06:30:30 -0000
@@ -556,12 +556,13 @@ nsWebShell::OnLinkClickSync(nsIContent *
       // XXX TODO Should be similar to the HTML IMG ALT attribute handling
       //          in NS 4.x
     default:
       NS_ABORT_IF_FALSE(0,"unexpected link verb");
       return NS_ERROR_UNEXPECTED;
   }
+  return NS_ERROR_UNEXPECTED;
 }
 
 NS_IMETHODIMP
 nsWebShell::OnOverLink(nsIContent* aContent,
                        nsIURI* aURI,
                        const PRUnichar* aTargetSpec)