python-pygobject: Fix style issue

Add missing space characters around the operator in SRCNAME declaration

Signed-off-by: Niko Mauno <niko.mauno@iki.fi>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/python/python-pygobject_3.28.3.bb

@@ -8,7 +8,7 @@ inherit gnomebase gobject-introspection distutils-base upstream-version-is-even
 
 DEPENDS += "python glib-2.0"
 
-SRCNAME="pygobject"
+SRCNAME = "pygobject"
 SRC_URI = " \
     http://ftp.gnome.org/pub/GNOME/sources/${SRCNAME}/${@gnome_verdir("${PV}")}/${SRCNAME}-${PV}.tar.xz \
 "