docs/fuzz: rST-ify the fuzzing documentation

Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20201106180600.360110-2-alxndr@bu.edu>
Signed-off-by: Thomas Huth <thuth@redhat.com>
diff --git a/MAINTAINERS b/MAINTAINERS
index 7b34ea0..6c2df0b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2525,7 +2525,7 @@
 S: Maintained
 F: tests/qtest/fuzz/
 F: scripts/oss-fuzz/
-F: docs/devel/fuzzing.txt
+F: docs/devel/fuzzing.rst
 
 Register API
 M: Alistair Francis <alistair@alistair23.me>