Fix linker argument in patch

Author: marcprux

swift-ci/sdks/android/patches/page-size-16KB-81398-targets.patch

@@ -6,7 +6,7 @@ index fba09416ddb..3fbc51955f4 100644
 
          flags += '-sdk %s/sysroot ' % (android_toolchain_path)
          flags += '-tools-directory %s/bin' % (android_toolchain_path)
-+        flags += ' --Xclang-linker -Wl,-z,max-page-size=16384'
++        flags += ' -Xclang-linker -Wl,-z,max-page-size=16384'
          return flags
 
      def cmake_options(self, args):