Add newlines to EOF in C++ .tmpl files.

So that people can build with -Wnewline-eof if they want.

TBR=vardhan@google.com
BUG=Fixes #728

Review URL: https://codereview.chromium.org/1830613002 .
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/module-sync.cc.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/module-sync.cc.tmpl
index 6ea9504..baa41a4 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/module-sync.cc.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/module-sync.cc.tmpl
@@ -117,4 +117,4 @@
 
 #if defined(__clang__)
 #pragma clang diagnostic pop
-#endif
\ No newline at end of file
+#endif
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/module.cc.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/module.cc.tmpl
index 3b3c2a4..e93285b 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/module.cc.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/module.cc.tmpl
@@ -28,4 +28,4 @@
 
 {%- for namespace in namespaces_as_array|reverse %}
 }  // namespace {{namespace}}
-{%- endfor %}
\ No newline at end of file
+{%- endfor %}
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/struct_macros.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/struct_macros.tmpl
index c25d35e..c0b79e6 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/struct_macros.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/struct_macros.tmpl
@@ -280,4 +280,4 @@
 {%    else %}
 using {{struct.name}}Ptr = mojo::StructPtr<{{struct.name}}>;
 {%    endif %}
-{% endmacro %}
\ No newline at end of file
+{% endmacro %}
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/struct_serialization_declaration.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/struct_serialization_declaration.tmpl
index 84534fd..230ba0d 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/struct_serialization_declaration.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/struct_serialization_declaration.tmpl
@@ -4,4 +4,4 @@
     mojo::internal::Buffer* buffer,
     internal::{{struct.name}}_Data** output);
 void Deserialize_(internal::{{struct.name}}_Data* input,
-                  {{struct.name}}* output);
\ No newline at end of file
+                  {{struct.name}}* output);
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/union_serialization_declaration.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/union_serialization_declaration.tmpl
index d29a356..ce2d931 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/union_serialization_declaration.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/union_serialization_declaration.tmpl
@@ -4,4 +4,4 @@
     mojo::internal::Buffer* buffer,
     internal::{{union.name}}_Data** output, bool inlined);
 void Deserialize_(internal::{{union.name}}_Data* input,
-                  {{union.name}}* output);
\ No newline at end of file
+                  {{union.name}}* output);