[func.wrap.func.con] Fix error in note

This note should be talking about the callable object being wrapped, i.e., f, rather than its "target", which makes no sense for arbitrary callable objects. This seems to be a copy/paste error from the very similar note in the copy constructor's description a few paragraphs above.

Author: timsong-cpp

source/utilities.tex

@@ -8823,7 +8823,7 @@
 initialized with \tcode{std::move(f)}.
 \enternote Implementations are encouraged to avoid the use of
 dynamically allocated memory for small callable objects, for example,
-where \tcode{f}'s target is an object holding only a pointer or
+where \tcode{f} is an object holding only a pointer or
 reference to an object and a member function pointer. \exitnote
 
 \pnum