[dcl.link] Clarify sentence structure

Author: jensmaurer

source/declarations.tex

@@ -8128,8 +8128,8 @@
 Two declarations declare the same entity
 if they (re)introduce the same name,
 one declares a function or variable with C language linkage,
-and the other declares such an entity or a variable
-that belongs to the global scope-
+and the other declares such an entity or declares a variable
+that belongs to the global scope.
 \begin{example}
 \begin{codeblock}
 int x;