iproute2: fix tc ematch manpage section

The debian package checking tool, lintian, spotted that the
tc ematch manpage seems to have an error in the specified section.

Signed-off-by: Andreas Henriksson <andreas@fatal.se>
diff --git a/man/man8/tc-ematch.8 b/man/man8/tc-ematch.8
index 2eafc29..957a22e 100644
--- a/man/man8/tc-ematch.8
+++ b/man/man8/tc-ematch.8
@@ -1,4 +1,4 @@
-.TH filter ematch "6 August 2012" iproute2 Linux
+.TH ematch 8 "6 August 2012" iproute2 Linux
 .
 .SH NAME
 ematch \- extended matches for use with "basic" or "flow" filters