[expr.eq] Remove space before footnote mark. (#1486)

Author: Eelis

source/expressions.tex

@@ -4266,7 +4266,7 @@
 \item
 If one pointer represents the address of a complete object, and another
 pointer represents the address one past the last element of a different
-complete object \footnote{An object that is not an array element is
+complete object\footnote{An object that is not an array element is
 considered to belong to a single-element array for this purpose;
 see~\ref{expr.unary.op}.}, the result of the comparison is unspecified.
 \item