0.9.6-mdb-partial-class-fix.diff

diff --git a/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs b/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs
index 05ab3fb..e55109f 100644
--- a/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs
+++ b/symbols/mdb/Mono.Cecil.Mdb/MdbReader.cs
@@ -94,7 +94,6 @@ static void ReadLocalVariables (MethodEntry entry, MethodBody body, Scope [] sco
 
 		void ReadLineNumbers (MethodEntry entry, InstructionMapper mapper)
 		{
-			Document document = null;
 			var table = entry.GetLineNumberTable ();
 
 			foreach (var line in table.LineNumbers) {
@@ -102,8 +101,8 @@ void ReadLineNumbers (MethodEntry entry, InstructionMapper mapper)
 				if (instruction == null)
 					continue;
 
-				if (document == null)
-					document = GetDocument (entry.CompileUnit.SourceFile);
+				var source_file = symbol_file.GetSourceFile (line.File);
+				var document = GetDocument (source_file);
 
 				instruction.SequencePoint = LineToSequencePoint (line, entry, document);
 			}
@@ -183,9 +182,11 @@ void ReadLineNumbers (MethodEntry entry, MethodSymbols symbols)
 			for (int i = 0; i < lines.Length; i++) {
 				var line = lines [i];
 
+				var source_file = symbol_file.GetSourceFile (line.File);
+
 				instructions.Add (new InstructionSymbol (
 					line.Offset,
-					LineToSequencePoint (line, entry, GetDocument (entry.CompileUnit.SourceFile))));
+					LineToSequencePoint (line, entry, GetDocument (source_file))));
 			}
 		}