Fix bad suffix for staticLibArchiver on macs. Needs to be tested on mac.

Change-Id: I3bc851feec54d7ad86c2a59731b94ca6a59a5f46

build.gradle

@@ -116,7 +116,7 @@ subprojects {
                     }
                 }
                 // Workaround for OS X. Macs for some reason want to use Xcode's gcc
-                // (which just wraps Clang), so we have to explicitly make it so 
+                // (which just wraps Clang), so we have to explicitly make it so
                 // that trying to compile with Clang will call gcc instead
                 macGcc(Clang) {
                     target('arm') {
@@ -137,7 +137,7 @@ subprojects {
                             args << '-rdynamic'
                             args.remove('-m32')
                         }
-                        staticLibArchiver.executable = compilerPrefix + staticLibArchiver.executable
+                        staticLibArchiver.executable = compilerPrefix + 'ar'
                     }
                 }
             }