[PATCH 2 of 4] cleanup: remove superfluous space after space after equals (C)

[timeless]

# HG changeset patch
# User timeless <timeless at mozdev.org>
# Date 1451549835 0
#      Thu Dec 31 08:17:15 2015 +0000
# Node ID 957f290a61a86e3bc95aa118c456d6273d549ae8
# Parent  775f9d7fb57c514b7f05a117b73e962a3d497a7c
cleanup: remove superfluous space after space after equals (C)

diff --git a/mercurial/parsers.c b/mercurial/parsers.c
--- a/mercurial/parsers.c
+++ b/mercurial/parsers.c
@@ -1840,7 +1840,7 @@
 	if (node_check(val, &node, &nodelen) == -1)
 		return NULL;
 	rev = index_find_node(self, node, nodelen);
-	if (rev ==  -3)
+	if (rev == -3)
 		return NULL;
 	if (rev == -2)
 		Py_RETURN_NONE;