Fix broken code tag.
Docs currently shows this:
> C and C++ source files: `.c`, `.cc`, `.cpp`, `.cxx`, `.c++.C`
I was wondering who the heck uses `.c++.C`.
Closes
@@ -309,7 +309,7 @@ public class BazelCppRuleClasses {
</p>
<ul>
<li>C and C++ source files: <code>.c</code>, <code>.cc</code>, <code>.cpp</code>,
- <code>.cxx</code>, <code>.c++</code, <code>.C</code></li>
+ <code>.cxx</code>, <code>.c++</code>, <code>.C</code></li>
<li>C and C++ header files: <code>.h</code>, <code>.hh</code>, <code>.hpp</code>,
<code>.hxx</code>, <code>.inc</code></li>
<li>Assembler with C preprocessor: <code>.S</code></li>
