Update MacOS project.pbxproj file too

Author: jan.nijtmans

macosx/Tcl.xcodeproj/project.pbxproj

@@ -223,7 +223,7 @@
 		F96437C90EF0D4B2003F468E /* tclZlib.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = tclZlib.c; sourceTree = "<group>"; };
 		F96437E60EF0D652003F468E /* libz.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libz.dylib; path = /usr/lib/libz.dylib; sourceTree = "<absolute>"; };
 		F966C07408F2820D005CB29B /* CoreFoundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreFoundation.framework; path = /System/Library/Frameworks/CoreFoundation.framework; sourceTree = "<absolute>"; };
-		F96D3DFB08F272A4004A47F5 /* changes */ = {isa = PBXFileReference; explicitFileType = text; fileEncoding = 4; path = changes; sourceTree = "<group>"; };
+		F96D3DFB08F272A4004A47F5 /* changes.md */ = {isa = PBXFileReference; explicitFileType = text; fileEncoding = 4; path = changes.md; sourceTree = "<group>"; };
 		F96D3DFD08F272A4004A47F5 /* Access.3 */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = Access.3; sourceTree = "<group>"; };
 		F96D3DFE08F272A4004A47F5 /* AddErrInfo.3 */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = AddErrInfo.3; sourceTree = "<group>"; };
 		F96D3DFF08F272A4004A47F5 /* after.n */ = {isa = PBXFileReference; explicitFileType = text.man; fileEncoding = 4; path = after.n; sourceTree = "<group>"; };
@@ -948,7 +948,7 @@
 				F96D3DFC08F272A4004A47F5 /* doc */,
 				F96D43D008F272B8004A47F5 /* tools */,
 				F9183E690EFC81560030B814 /* pkgs */,
-				F96D3DFB08F272A4004A47F5 /* changes */,
+				F96D3DFB08F272A4004A47F5 /* changes.md */,
 				F96D434308F272B5004A47F5 /* README.md */,
 				F96D432B08F272B4004A47F5 /* license.terms */,
 			);