[qscintilla] add note about bootstrapping

[Rex Dieter]

commit 343275e0bf2a346fa32efbffba00e0ad32ad4769
Author: Rex Dieter <rdieter at math.unl.edu>
Date:   Mon Feb 10 11:11:57 2014 -0600

    add note about bootstrapping

 qscintilla.spec |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/qscintilla.spec b/qscintilla.spec
index 81eddcc..08022ef 100644
--- a/qscintilla.spec
+++ b/qscintilla.spec
@@ -2,6 +2,7 @@
 %global scintilla_ver 3.3.6
 
 # bootstrapping -python
+# undef python macro if you'd like to build qscintilla sans -python subpkg (which requires PyQt4)
 %global python 1
 
 Summary: A Scintilla port to Qt