Fix: use each version only for the line it's specified in, not the next ones too.

rubygems.py

@@ -162,15 +162,15 @@ class Recipe(object):
             self._install_rubygems()
             gem_executable = self.get_gem_executable(bindir)
 
-        s = {
-            'GEM': gem_executable,
-            'OPTIONS': ' '.join([
-                    '--no-rdoc',
-                    '--no-ri',
-                    '--bindir=%s' % bindir,
-                ]),
-        }
         for gemname in self.gems:
+            s = {
+                'GEM': gem_executable,
+                'OPTIONS': ' '.join([
+                        '--no-rdoc',
+                        '--no-ri',
+                        '--bindir=%s' % bindir,
+                    ]),
+            }
             if '==' in gemname:
                 gemname, version = gemname.split('==', 1)
                 s['GEMNAME'] = gemname.strip()