$NetBSD$

removed non-working check for sphinx and corrected sphinx-build name

--- doc/Makefile.orig	2014-10-28 01:49:40.000000000 +0000
+++ doc/Makefile
@@ -3,14 +3,10 @@
 
 # You can set these variables from the command line.
 SPHINXOPTS    =
-SPHINXBUILD   = sphinx-build2
+SPHINXBUILD   = sphinx-build
 PAPER         =
 BUILDDIR      = ""build
 
-# User-friendly check for sphinx-build2
-ifeq ($(shell which $(SPHINXBUILD) >/dev/null 2>&1; echo $$?), 1)
-$(error The '$(SPHINXBUILD)' command was not found. Make sure you have Sphinx installed, then set the SPHINXBUILD environment variable to point to the full path of the '$(SPHINXBUILD)' executable. Alternatively you can add the directory with the executable to your PATH. If you don't have Sphinx installed, grab it from http://sphinx-doc.org/)
-endif
 
 # Internal variables.
 PAPEROPT_a4     = -D latex_paper_size=a4
