[gitg] Allow specifying additional install arguments

[Jesse van den Kieboom <jessevdk src gnome org>]

commit 873e94b528f8c2e3214b2bde570f7d6879ce57c9
Author: Jesse van den Kieboom <jessevdk gnome org>
Date:   Wed Dec 30 11:53:03 2015 +0100

    Allow specifying additional install arguments

 osx/scripts/build |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/osx/scripts/build b/osx/scripts/build
index c19534e..face3e8 100755
--- a/osx/scripts/build
+++ b/osx/scripts/build
@@ -34,4 +34,4 @@ export HOMEBREW_RUBY_PATH="$scripts/brew.rb"
 export PATH="$d/install/bin:$PATH"
 export DYLD_FALLBACK_LIBRARY_PATH="/usr/lib"
 
-exec "$scripts/lbrew" install --HEAD --only-dependencies gnome/gitg/gitg
+exec "$scripts/lbrew" install "$@" --HEAD gnome/gitg/gitg