fixup: another e

Author: jensmaurer

source/declarations.tex

@@ -7114,7 +7114,7 @@
 Each $\tcode{v}_i$ is the name of an lvalue of type $\tcode{T}_i$
 that refers to the object bound to $\tcode{r}_i$;
 the referenced type is $\tcode{T}_i$.
-The initialization of \tcode{e} and
+The initialization of \exposid{e} and
 any conversion of \exposid{e} considered as a decision variable\iref{stmt.pre}
 is sequenced before the initialization of any $\tcode{r}_i$.
 The initialization of $\tcode{r}_i$ is sequenced before