Typo in manual page

[sebastic]

The lintian QA tool reported a typo for the Debian package build:

• updata -> update

Patch:

--- a/ncgen/ncgen.1
+++ b/ncgen/ncgen.1
@@ -205,7 +205,7 @@ Use NC_DISKLESS mode to create the file
before persisting it to disk.
.IP "\fB-W\fP \fRmaxwholevarsize\fP"
Set wholevarsizem where if total number of elements is less than maxwholevarsize
-then updata a variable using a single nc_put_var. Requires
+then update a variable using a single nc_put_var. Requires
that the variable has no unlimited dimensions.
.IP "\fB-x\fP"
Don't initialize data with fill values.  This can speed up creation of

[WardF]

Thanks; this is a pretty minor change, I'll wrap it into a different PR. Thanks!