Fix missing dots

Thanks to Emmanual Kowalski
http://stacks.math.columbia.edu/tag/03Q3#comment-1257

etale-cohomology.tex

@@ -7013,10 +7013,10 @@ \section{\'Etale cohomology}
 0 \to
 H^0_\etale(X, \mathcal{F}) \to
 H^0_\etale(U, \mathcal{F}) \oplus H^0_\etale(V, \mathcal{F}) \to
-H^0_\etale(U \cap V, \mathcal{F}) \\
+H^0_\etale(U \cap V, \mathcal{F}) \phantom{\to \ldots} \\
 \phantom{0} \to H^1_\etale(X, \mathcal{F}) \to
 H^1_\etale(U, \mathcal{F}) \oplus H^1_\etale(V, \mathcal{F}) \to
-H^1_\etale(U \cap V, \mathcal{F})
+H^1_\etale(U \cap V, \mathcal{F}) \to \ldots
 \end{matrix}
 $$
 This long exact sequence is functorial in $\mathcal{F}$.