Don't ignore portable PDBs; the new cecil should support them.

ILSpy/LoadedAssembly.cs

@@ -146,16 +146,6 @@ namespace ICSharpCode.ILSpy
 			if (!module.HasDebugHeader) {
 				return;
 			}
-			byte[] headerBytes;
-			var debugHeader = module.GetDebugHeader(out headerBytes);
-			if (debugHeader.Type != 2) {
-				// the debug type is not IMAGE_DEBUG_TYPE_CODEVIEW
-				return;
-			}
-			if (debugHeader.MajorVersion != 0 || debugHeader.MinorVersion != 0) {
-				// the PDB type is not compatible with PdbReaderProvider. It is probably a Portable PDB
-				return;
-			}
 
 			// search for pdb in same directory as dll
 			string pdbName = Path.Combine(Path.GetDirectoryName(fileName), Path.GetFileNameWithoutExtension(fileName) + ".pdb");