Mac: Fixed markdown formatting in README.

The newlines were lost in doxygen output.

docs/README-macosx.md

@@ -111,7 +111,7 @@ install-exec-hook: APP_NAME_bundle
     	cp -r $< /$(DESTDIR)$(prefix)Applications/
 
 This rule takes the Bundle created by the rule from step 3 and installs them
-into $(DESTDIR)$(prefix)/Applications/.
+into "$(DESTDIR)$(prefix)/Applications/".
 
 Again, if you want to install multiple applications, you will have to augment
 the make rule accordingly.
@@ -126,11 +126,16 @@ there are some more things you should do before shipping your product...
    unless you also install SDL on that other computer. A good solution
    for this dilemma is to static link against SDL. On OS X, you can
    achieve that by linking against the libraries listed by
+
        sdl-config --static-libs
+
    instead of those listed by
+
        sdl-config --libs
+
    Depending on how exactly SDL is integrated into your build systems, the
    way to achieve that varies, so I won't describe it here in detail
+
 2) Add an 'Info.plist' to your application. That is a special XML file which
    contains some meta-information about your application (like some copyright
    information, the version of your app, the name of an optional icon file,
@@ -156,8 +161,10 @@ The first thing to do is to unpack the Xcode.tar.gz archive in the
 top level SDL directory (where the Xcode.tar.gz archive resides).
 Because Stuffit Expander will unpack the archive into a subdirectory,
 you should unpack the archive manually from the command line:
+
     cd [path_to_SDL_source]
     tar zxf Xcode.tar.gz
+
 This will create a new folder called Xcode, which you can browse
 normally from the Finder.