Add INCLUDE_SERVER_PORT and INCLUDE_SERVER_ARGS for distcc pump.

build/common.gypi

Index: build/common.gypi
===================================================================
--- build/common.gypi	(revision 13609)
+++ build/common.gypi	(working copy)
@@ -56,15 +56,15 @@
             'xcode_settings': {
               'GCC_INSTRUMENT_PROGRAM_FLOW_ARCS': 'YES',
               'GCC_GENERATE_TEST_COVERAGE_FILES': 'YES',
-	    },
+            },
             # Add -lgcov for executables, not for static_libraries.
             # This is a delayed conditional.
             'target_conditions': [
               ['_type=="executable"', {
                 'xcode_settings': { 'OTHER_LDFLAGS': [ '-lgcov' ] },
-	      }],
-	    ],
-	  }],
+              }],
+            ],
+          }],
           # TODO(jrg): complete this work once Linux transitions to gyp.
           # This is untested (--> likely doesn't work).
           ['OS=="linux"', {
@@ -73,8 +73,8 @@
             'target_conditions': [
               ['_type=="executable"', {
                 'link_settings': { 'libraries': [ '-lgcov' ] },
-	      }],
-	    ],
+              }],
+            ],
           }],
         ]},
       # TODO(jrg): options for code coverage on Windows
@@ -219,6 +219,8 @@
           'DISTCC_DIR',
           'DISTCC_HOSTS',
           'HOME',
+          'INCLUDE_SERVER_ARGS',
+          'INCLUDE_SERVER_PORT',
           'LINK',
         ],
         'configurations': {