PKG: fix a typo on ubuntu package

Packaging/Files/post_install.sh.in

@@ -36,7 +36,7 @@ sh "$OTB_INSTALL_DIR"/tools/sanitize_rpath.sh
 pyversion="$(python3 -V 2>&1 | sed 's/.* \([0-9]\).\([0-9]*\).*/\1\2/')"
 ostype="$(lsb_release -is)"
 # Recompile OTB Python bindings
-if [ "$pyversion" -ne "310" ] && [ $ostype -ne "RedHatEnterprise"] ; then
+if [ "$pyversion" -ne "310" ] && [ $ostype != "RedHatEnterprise" ] ; then
     sh "$OTB_INSTALL_DIR"/recompile_bindings.sh
 fi
 # Check python version, if python 3.12 (ubuntu 24 and debian > 12) download and extract the gdal bindings for python 3.12