[over.over] Make index entry for overloaded function consistent with the one in [expr.unary.op].

Author: Eelis

source/overloading.tex

@@ -2621,7 +2621,7 @@
 
 \rSec1[over.over]{Address of overloaded function}%
 \indextext{overloading!address of overloaded function}%
-\indextext{overloadedfunction!address~of}
+\indextext{overloaded~function!address~of}
 
 \pnum
 A use of an overloaded function name without arguments is resolved