fix some lintian warning

debian/control

@@ -6,7 +6,7 @@ DM-Upload-Allowed: yes
 Build-Depends: debhelper (>= 7.0.50~), quilt (>= 0.46-7~), autotools-dev, 
 		tcl-dev, tk-dev, libxext-dev, libxt-dev, xgraph, libpcap0.8-dev,
 		libotcl1-dev, tclcl, tclcl-dev (>=1.20~RC3-3), perl (>=5.003)
-Standards-Version: 3.9.1
+Standards-Version: 3.9.2
 Vcs-git: git://git.debian.org/git/pkg-netsim/ns2.git
 Vcs-Browser: http://git.debian.org/?p=pkg-netsim/ns2.git
 Homepage: http://www.isi.edu/nsnam/ns/
@@ -16,7 +16,7 @@ Architecture: any
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Suggests: gnuplot
 Description: a discrete event simulator targeted at networking research
- Ns-2 provides substantial support for simulation of TCP, routing, 
+ Provides substantial support for simulation of TCP, routing, 
  and multicast protocols over wired and wireless (local and satellite) 
  networks.
  Ns-2 is written in C++ and an Object oriented version of Tcl called OTcl.
@@ -35,7 +35,7 @@ Architecture: all
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Section: doc
 Description: docs of ns2
- Ns-2 provides substantial support for simulation of TCP, routing, 
+ Provides substantial support for simulation of TCP, routing, 
  and multicast protocols over wired and wireless (local and satellite) 
  networks.
  Ns-2 is written in C++ and an Object oriented version of Tcl called OTcl.
@@ -56,7 +56,7 @@ Architecture: all
 Depends: ${shlibs:Depends}, ${misc:Depends}
 Suggests: ns2
 Description: examples of ns2
- Ns-2 provides substantial support for simulation of TCP, routing, 
+ Provides substantial support for simulation of TCP, routing, 
  and multicast protocols over wired and wireless (local and satellite) 
  networks.
  Ns-2 is written in C++ and an Object oriented version of Tcl called OTcl.

emulate/net-pcap.cc

@@ -55,10 +55,6 @@ static const char rcsid[] =
 #include <sys/systeminfo.h>
 #endif
 
-#if !defined(__linux__)&&!defined(__APPLE__)
-#include <net/bpf.h>
-#endif
-
 #ifdef __cplusplus
 extern "C" {
 #include <pcap.h>