[hackers] [libzahl] Fix typo || Mattias Andrée

[git]

commit 79484235aae6729a2489c8477695c72ba77e9b58
Author:     Mattias Andrée <maand...@kth.se>
AuthorDate: Fri May 13 21:13:43 2016 +0200
Commit:     Mattias Andrée <maand...@kth.se>
CommitDate: Fri May 13 21:13:43 2016 +0200

    Fix typo
    
    Signed-off-by: Mattias Andrée <maand...@kth.se>

diff --git a/doc/not-implemented.tex b/doc/not-implemented.tex
index f30dd8b..a9758b8 100644
--- a/doc/not-implemented.tex
+++ b/doc/not-implemented.tex
@@ -596,7 +596,7 @@ character manually with using {\tt zxor}.
 
 \begin{alltt}
 uint64_t
-etu(z_t a)
+getu(z_t a)
 \{
     return zzero(a) ? 0 : a->chars[0];
 \}