Spec file fixes: Add comment to each patch.

waf.spec

@@ -23,9 +23,8 @@ URL:            http://code.google.com/p/waf/
 # Original tarfile can be found at
 # http://waf.googlecode.com/files/waf-%%{version}.tar.bz2
 # We remove:
-# - /docs/book, as this is under CC-BY-NC-ND, which is not allowed in
-#   Fedora
-# - Waf logos
+# - /docs/book, licensed CC BY-NC-ND
+# - Waf logos, licensed CC BY-NC
 Source:         waf-%{version}%{?prerel}.stripped.tar.bz2
 # use _datadir instead of /usr/lib
 Patch0:         waf-1.6.2-libdir.patch
@@ -105,8 +104,10 @@ This package contains the HTML documentation for %{name}.
 
 %prep
 %setup -q
-%patch0 -p0 -b .libdir
-%patch1 -p1 -b .logo
+# also search for waflib in /usr/share/waf
+%patch0 -p0
+# do not try to use the (removed) waf logos
+%patch1 -p1
 
 
 %build