fix CHANGES.rst prerequisite of doc target

Author: livibetter

CHANGES.rst

@@ -5,6 +5,10 @@ CHANGES
 Development
 ===========
 
+* Makefile
+
+  * fix ``doc`` for ``CHANGES.rst`` prerequisite
+
 * add ``embed_images`` configuration option to embed image files via data URI
   scheme for all but text handler (pull request #2, by Adam Kemp)
 

Makefile

@@ -27,7 +27,7 @@ INSTALL_TEST_DIR=/tmp/$(PACKAGE)_install_test
 
 BUILD_CMD=./setup.py sdist --formats gztar,zip bdist_wheel bdist_wininst --plat-name win32
 
-DOC_FILES = docs/conf.py $(wildcard docs/*.rst)
+DOC_FILES = docs/conf.py $(wildcard docs/*.rst) CHANGES.rst
 BPY_FILES = b.py $(wildcard bpy/*.py) $(wildcard bpy/*/*.py)
 
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