gallium/docs: use imgmath instead of pngmath

	WARNING: sphinx.ext.pngmath has been deprecated. Please use
	sphinx.ext.imgmath instead.

Signed-off-by: Eric Engestrom <eric.engestrom@imgtec.com>
Reviewed-by: Ilia Mirkin <imirkin@alum.mit.edu>

diff --git a/src/gallium/docs/source/conf.py b/src/gallium/docs/source/conf.py
index 5e8173d869fbc0bf06c17125a5719e5dca33b507..c6039fbe8d1150ec54a2c79abddff2dcfd1b4932 100644 (file)
--- a/src/gallium/docs/source/conf.py
+++ b/src/gallium/docs/source/conf.py
@@ -22,7 +22,7 @@ sys.path.append(os.path.abspath('exts'))
 
 # Add any Sphinx extension module names here, as strings. They can be extensions
 # coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.pngmath', 'sphinx.ext.graphviz', 'formatting']
+extensions = ['sphinx.ext.imgmath', 'sphinx.ext.graphviz', 'formatting']
 
 # Add any paths that contain templates here, relative to this directory.
 templates_path = ['_templates']