GYP changes for FreeBSD and OpenBSD

Review URL: http://codereview.chromium.org/1480002

git-svn-id: http://src.chromium.org/svn/trunk/src/build@47327 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

all.gyp

@@ -53,7 +53,7 @@
             '../v8/tools/gyp/v8.gyp:*',
           ],
         }],
-        ['OS=="mac" or OS=="linux" or OS=="freebsd"', {
+        ['OS=="mac" or OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
           'dependencies': [
             '../third_party/yasm/yasm.gyp:*#host',
            ],

linux/system.gyp

@@ -13,7 +13,7 @@
         'pkg-config': 'pkg-config'
       },
     }],
-    [ 'OS=="linux"', {
+    [ 'OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
       'variables': {
         # We use our own copy of libssl, although we still need to link against
         # the rest of NSS.