[temp.constr.order] Fix spacing in example.

Author: zygoloid

source/templates.tex

@@ -1830,11 +1830,11 @@
 template<C4 U> void f3(U);      // \#3
 \end{codeblock}
 The associated constraints of \#1 are
-$\tcode{sizeof(T) == 1}$ (with mapping \tcode{T}$\mapsto$\tcode{U}) $\land \tcode{1 == 2}$.\\
+\tcode{sizeof(T) == 1} (with mapping \tcode{T}$\mapsto$\tcode{U}) $\land$ \tcode{1 == 2}.\\
 The associated constraints of \#2 are
-$\tcode{requires \{ typename T::type; \}}$ (with mapping \tcode{T}$\mapsto$\tcode{U}).\\
+\tcode{requires \{ typename T::type; \}} (with mapping \tcode{T}$\mapsto$\tcode{U}).\\
 The associated constraints of \#3 are
-$\tcode{requires (T x) \{ ++x; \}}$ (with mapping \tcode{T}$\mapsto$\tcode{U}).
+\tcode{requires (T x) \{ ++x; \}} (with mapping \tcode{T}$\mapsto$\tcode{U}).
 \end{example}
 \indextext{constraint!normalization|)}