Minor simplification (os.environ -> env)

var/spack/packages/thrift/package.py

@@ -1,4 +1,3 @@
-from os import environ
 from spack import *
 
 class Thrift(Package):
@@ -28,7 +27,9 @@ class Thrift(Package):
     # Compilation fails for most languages, fortunately cpp installs fine
     # All other languages (yes, including C) are omitted until someone needs them
     def install(self, spec, prefix):
-        environ["PY_PREFIX"] = prefix
+        env["PY_PREFIX"]   = prefix
+        env["JAVA_PREFIX"] = prefix
+
         configure("--prefix=%s" % prefix,
                   "--with-boost=%s" % spec['boost'].prefix,
                   "--with-c=no",