Fix property special-casing
diff --git a/src/ProtoGen/PrimitiveFieldGenerator.cs b/src/ProtoGen/PrimitiveFieldGenerator.cs
index 8292297..dc733c0 100644
--- a/src/ProtoGen/PrimitiveFieldGenerator.cs
+++ b/src/ProtoGen/PrimitiveFieldGenerator.cs
@@ -10,10 +10,10 @@
     }
 
     public void GenerateMembers(TextGenerator writer) {
-      writer.WriteLine("private bool has{0};", CapitalizedName);
+      writer.WriteLine("private bool has{0};", PropertyName);
       writer.WriteLine("private {0} {1}_ = {2};", TypeName, Name, DefaultValue);
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine("  get {{ return has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine("  get {{ return has{0}; }}", PropertyName);
       writer.WriteLine("}");
       writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return {0}_; }}", Name);
@@ -21,27 +21,27 @@
     }
 
     public void GenerateBuilderMembers(TextGenerator writer) {
-      writer.WriteLine("public bool Has{0} {{", CapitalizedName);
-      writer.WriteLine("  get {{ return result.Has{0}; }}", CapitalizedName);
+      writer.WriteLine("public bool Has{0} {{", PropertyName);
+      writer.WriteLine("  get {{ return result.Has{0}; }}", PropertyName);
       writer.WriteLine("}");
       writer.WriteLine("public {0} {1} {{", TypeName, PropertyName);
       writer.WriteLine("  get {{ return result.{0}; }}", PropertyName);
-      writer.WriteLine("  set {{ Set{0}(value); }}", CapitalizedName);
+      writer.WriteLine("  set {{ Set{0}(value); }}", PropertyName);
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Set{0}({1} value) {{", CapitalizedName, TypeName);
-      writer.WriteLine("  result.has{0} = true;", CapitalizedName);
+      writer.WriteLine("public Builder Set{0}({1} value) {{", PropertyName, TypeName);
+      writer.WriteLine("  result.has{0} = true;", PropertyName);
       writer.WriteLine("  result.{0}_ = value;", Name);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
-      writer.WriteLine("public Builder Clear{0}() {{", CapitalizedName);
-      writer.WriteLine("  result.has{0} = false;", CapitalizedName);
+      writer.WriteLine("public Builder Clear{0}() {{", PropertyName);
+      writer.WriteLine("  result.has{0} = false;", PropertyName);
       writer.WriteLine("  result.{0}_ = {1};", Name, DefaultValue);
       writer.WriteLine("  return this;");
       writer.WriteLine("}");
     }
 
     public void GenerateMergingCode(TextGenerator writer) {
-      writer.WriteLine("if (other.Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (other.Has{0}) {{", PropertyName);
       writer.WriteLine("  {0} = other.{0};", PropertyName);
       writer.WriteLine("}");
     }
@@ -55,13 +55,13 @@
     }
 
     public void GenerateSerializationCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
       writer.WriteLine("  output.Write{0}({1}, {2});", CapitalizedTypeName, Number, PropertyName);
       writer.WriteLine("}");
     }
 
     public void GenerateSerializedSizeCode(TextGenerator writer) {
-      writer.WriteLine("if (Has{0}) {{", CapitalizedName);
+      writer.WriteLine("if (Has{0}) {{", PropertyName);
       writer.WriteLine("  size += pb::CodedOutputStream.Compute{0}Size({1}, {2});",
           CapitalizedTypeName, Number, PropertyName);
       writer.WriteLine("}");