libelf: Fix the NAME sections of two manual pages.

This change allows mandoc(1) to find these manual pages for
all the relevant function names.

Submitted by: Ingo Schwarze
Obtained from: elftoolchain/r4192

contrib/elftoolchain/libelf/elf_open.3

@@ -23,11 +23,12 @@
 .\"
 .\" $Id: elf_open.3 3743 2019-06-12 19:36:30Z jkoshy $
 .\"
-.Dd June 12, 2019
+.Dd July 15, 2025
 .Dt ELF_OPEN 3
 .Os
 .Sh NAME
-.Nm elf_open
+.Nm elf_open ,
+.Nm elf_openmemory
 .Nd open ELF objects and ar(1) archives
 .Sh LIBRARY
 .Lb libelf

contrib/elftoolchain/libelf/gelf_xlatetof.3

@@ -23,13 +23,16 @@
 .\"
 .\" $Id: gelf_xlatetof.3 3639 2018-10-14 14:07:02Z jkoshy $
 .\"
-.Dd October 11, 2018
+.Dd July 15, 2025
 .Dt GELF_XLATETOF 3
 .Os
 .Sh NAME
-.Nm elf32_xlate ,
-.Nm elf64_xlate ,
-.Nm gelf_xlate
+.Nm elf32_xlatetof ,
+.Nm elf32_xlatetom ,
+.Nm elf64_xlatetof ,
+.Nm elf64_xlatetom ,
+.Nm gelf_xlatetof ,
+.Nm gelf_xlatetom
 .Nd translate data between files and memory
 .Sh LIBRARY
 .Lb libelf