Work around compilation warning

Clang 12 (at least) misses the fact that tag is always initialized,
because the if/else sequence does cover all cases.

Initialize the variable although it is not required. It does not hurt
at least.

diff --git a/src/mathed/InsetMathScript.cpp b/src/mathed/InsetMathScript.cpp
index 9f391f66f93e03dfb428a0f0f9eb00624ac9d939..a5f286b3a58528d20cad140f92b9469ea0e655c9 100644 (file)
--- a/src/mathed/InsetMathScript.cpp
+++ b/src/mathed/InsetMathScript.cpp
@@ -611,7 +611,7 @@ void InsetMathScript::mathmlize(MathMLStream & ms) const
        if (!d && !u)
                return;
 
-       const char * tag;
+       const char * tag = nullptr;
        if (u && d)
                tag = has_limits ? "munderover" : "msubsup";
        else if (u)