[dcl.fct.default] Replace the uses of "local variable"

... with "block variable with automatic storage duration"

Author: frederick-vs-ja

source/declarations.tex

@@ -4343,7 +4343,7 @@
 
 \pnum
 \begin{note}
-A local variable cannot be odr-used\iref{term.odr.use}
+A block variable with automatic storage duration cannot be odr-used\iref{term.odr.use}
 in a default argument.
 \end{note}
 \begin{example}