[PATCH 2 of 3] Fix attribute name in documentation

[Wald Commits]

# HG changeset patch
# User Tom Gottfried <tom at intevation.de>
# Date 1614857111 -3600
#      Thu Mar 04 12:25:11 2021 +0100
# Branch 3.2.x
# Node ID 21e276cef74070fd21250268cc7cf33693c6892c
# Parent  82df5fe118f063d3bf1551668a520fd71200ee28
Fix attribute name in documentation

"Hoehe" is actually expected to be suffixed with "_ist".

diff -r 82df5fe118f0 -r 21e276cef740 backend/doc/documentation/de/importer-geodaesie.tex
--- a/backend/doc/documentation/de/importer-geodaesie.tex	Thu Mar 04 12:23:25 2021 +0100
+++ b/backend/doc/documentation/de/importer-geodaesie.tex	Thu Mar 04 12:25:11 2021 +0100
@@ -240,7 +240,7 @@
 Geometrie   &   LINESTRING, MULTILINESTRING, POINT \\
 Attribute   &   Name, Art, Quelle, Anmerkung, Stand, Verband,
                 km (alternativ: Deich\_km), Bereich,
-                Hoehe, Hoehe\_soll, WSP\_Bfg100, Bundesland
+                Hoehe\_ist, Hoehe\_soll, WSP\_Bfg100, Bundesland
                 (Teilweise auch alternative Schreibweisen unterstützt)\\
 \end{tabular*}