[func.wrap.general] Remove stray linebreak in example (#8229)

Author: hewillk

source/utilities.tex

@@ -13611,8 +13611,7 @@
 has the same type, even if the corresponding parameter is not of reference type.
 \begin{example}
 \begin{codeblock}
-move_only_function<void(T)>
-  f{copyable_function<void(T)>{[](T) {}}};
+move_only_function<void(T)> f{copyable_function<void(T)>{[](T) {}}};
 T t;
 f(t);                               // it is unspecified how many copies of \tcode{T} are made
 \end{codeblock}