Linux: fix a couple problems that Lintian reports for the .deb file:...

plugin/build.scons

 # Copyright 2009, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 227 matching lines @@
 
 if env.Bit('linux'):
   env_idlglue.Append(CPPDEFINES=['OS_LINUX'])
   inputs += [env_idlglue.SharedObject(s, '$NIXYSA_STATIC_GLUE/%s.cc' % s)
              for s in idlglue_static_sources]
   inputs += env_version.SharedObject('cross/main', 'cross/main.cc')
   inputs += [
     'linux/main_linux.cc',
     'linux/config.cc',
   ]
+  # This sets the rpath property on the generated shared object, which specifies
+  # additional paths that the run-time linker/loader will search for its
+  # dependent shared libraries. We install libGLEW, libCg, and libCgGL to here.
+  env.Append(RPATH=['/opt/google/o3d/lib'])
 
 
 # SCons doesn't really know about MacOSX bundles, so we need to override a
 # lot of its behavior to make one, ie -bundle flag, no lib prefix, no .dylib suffix.
 if env.Bit('mac'):
   breakpad_framework = env.Command(
       env.Dir('$MAC_BREAKPAD_DIR/Breakpad.framework'),
       env.Dir('$MAC_BREAKPAD_SRC_DIR/Breakpad.xcodeproj'),
       ' '.join(['cd $MAC_BREAKPAD_SRC_DIR &&',
                 'xcodebuild',
@@ skipping 168 matching lines @@
     if os.path.exists(swiftshader_path):
       env.Requires(plugin_install,
           env.Replicate('$FIREFOX_PLUGIN_DIR/O3DExtras', swiftshader_path))
 
 if env.Bit('windows'):
   # Make the logging program
   exe = env.ComponentProgram('statsLogger',
                              logging_lib + ['win/logger_main.cc'])
   # Copy the resulting executable to the Artifacts directory.
   env.Replicate('$ARTIFACTS_DIR', [exe])