uwsgi: don't strip symbols

Fixes Homebrew/homebrew#11705.
Probably fixes Homebrew/homebrew#11674.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/uwsgi.rb

@@ -5,6 +5,8 @@ class Uwsgi < Formula
   url 'http://projects.unbit.it/downloads/uwsgi-1.1.2.tar.gz'
   md5 '69d2a89e283a047c750dde858a384e25'
 
+  skip_clean :all # stripping breaks the executable
+
   def install
     # Find the arch for the Python we are building against.
     # We remove 'ppc' support, so we can pass Intel-optimized CFLAGS.
@@ -15,7 +17,7 @@ class Uwsgi < Formula
     ENV.append 'CFLAGS', arch_flags
     ENV.append 'LDFLAGS', arch_flags
 
-    system "python uwsgiconfig.py --build"
+    system "python", "uwsgiconfig.py", "--build"
     bin.install "uwsgi"
   end
 end