Update JSONCore.podspec

Author: rakeyang

JSONCore.podspec

@@ -2,7 +2,7 @@ Pod::Spec.new do |s|
   s.name         = "JSONCore"
   s.version      = "0.0.2"
   s.ios.deployment_target = '7.0'
-  s.osx.deployment_target = '10.8'
+  s.osx.deployment_target = '10.7'
   s.summary      = "A fast and convenient conversion between JSON and model"
   s.homepage     = "https://github.com/kbonana/JSONCore"
   s.license      = "MIT"
@@ -11,4 +11,4 @@ Pod::Spec.new do |s|
   s.source       = { :git => "https://github.com/kbonana/JSONCore.git", :tag => s.version }
   s.source_files  = "JSONCore"
   s.requires_arc = true
-end
+end