Display local kernel version only when non-remote in PlatformLinux.

[sas]

Summary

This is part of the Linux remote platform work. Displaying the local
kernel information when remote debugging doesn't make sense, so we
should verify if we are in host mode before doing so.

[sas]

Ping.

[clayborg]

Looks fine.

source/Plugins/Platform/Linux/PlatformLinux.cpp

 }
 
 void
 PlatformLinux::GetStatus (Stream &strm)
 {
     Platform::GetStatus(strm);
 
 #ifndef LLDB_DISABLE_POSIX
+    // Display local kernel information only when we are running in host mode.
+    // Otherwise, we would end up printing non-Linux information (when running
+    // on Mac OS for example).
+    if (IsHost())
+    {
         struct utsname un;
 
         if (uname(&un))
             return;
 
         strm.Printf ("    Kernel: %s\n", un.sysname);
         strm.Printf ("   Release: %s\n", un.release);
         strm.Printf ("   Version: %s\n", un.version);
+    }
 #endif
 }
 
 size_t
 PlatformLinux::GetSoftwareBreakpointTrapOpcode (Target &target, 
                                                 BreakpointSite *bp_site)
 {
     ArchSpec arch = target.GetArchitecture();