1 files changed, 23 insertions, 0 deletions
diff --git a/mail/thunderbird-esr/files/patch-mozilla-xpcom-reflect-xptinfo-src-xptiInterfaceInfoManager.cpp b/mail/thunderbird-esr/files/patch-mozilla-xpcom-reflect-xptinfo-src-xptiInterfaceInfoManager.cpp
new file mode 100644
index 000000000000..a053edec7521
--- /dev/null
+++ b/mail/thunderbird-esr/files/patch-mozilla-xpcom-reflect-xptinfo-src-xptiInterfaceInfoManager.cpp
@@ -0,0 +1,23 @@
+--- mozilla/xpcom/reflect/xptinfo/src/xptiInterfaceInfoManager.cpp.orig
++++ mozilla/xpcom/reflect/xptinfo/src/xptiInterfaceInfoManager.cpp
+@@ -629,16 +629,17 @@ IndexOfDirectoryOfFile(nsISupportsArray* aSearchPath, nsILocalFile* aFile)
+         NS_ASSERTION(count, "broken search path! bad count");
+         for(PRUint32 i = 0; i < count; i++)
+         {
+-            nsCOMPtr<nsIFile> current;
++            nsCOMPtr<nsIFile> current, normalized;
+             aSearchPath->QueryElementAt(i, NS_GET_IID(nsIFile), 
+                                         getter_AddRefs(current));
+             NS_ASSERTION(current, "broken search path! bad element");
+             // nsIFile::Equals basically compares path strings so normalize
+             // before the comparison.
+             parent->Normalize();
+-            current->Normalize();
++            current->Clone(getter_AddRefs(normalized));
++            normalized->Normalize();
+             PRBool same;
+-            if (NS_SUCCEEDED(parent->Equals(current, &same)) && same)
++            if (NS_SUCCEEDED(parent->Equals(normalized, &same)) && same)
+                 return (int) i;
+         }
+     }