Preserve environment when calling the kismet_capture client. We need
stuff like $DISPLAY or $XAUTHORITY to display the consolehelper dialog.

Index: kismet-2010-07-R1/ipc_remote.cc
===================================================================
--- kismet-2010-07-R1.orig/ipc_remote.cc
+++ kismet-2010-07-R1/ipc_remote.cc
@@ -342,7 +342,7 @@ int IPCRemote::SpawnIPC() {
 				// We're running as the child here, we have to pass this failure
 				// up in the return value and this doesn't cause an immediate exit
 				// with error for the caller...
-				if (execve(cmdarg[0], cmdarg, NULL) < 0) {
+				if (execve(cmdarg[0], cmdarg, globalreg->envp) < 0) {
 					int status = errno;
 
 					string fail = "Failed to launch IPC child: " +