set VIMPACKAGE to "nvim"

src/nvim/po/CMakeLists.txt

@@ -73,7 +73,7 @@ if(HAVE_WORKING_LIBINTL AND GETTEXT_FOUND AND XGETTEXT_PRG AND ICONV_PRG)
     install_helper(
       FILES ${moFile}
       DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/nvim/runtime/lang/${name}/LC_MESSAGES
-      RENAME vim.mo)
+      RENAME nvim.mo)
 
     list(APPEND LANGUAGE_MO_FILES ${moFile})
   endmacro()

src/nvim/vim.h

@@ -30,7 +30,7 @@ Error: configure did not run properly.Check auto/config.log.
 
 /* Can't use "PACKAGE" here, conflicts with a Perl include file. */
 #ifndef VIMPACKAGE
-# define VIMPACKAGE     "vim"
+# define VIMPACKAGE     "nvim"
 #endif
 
 #include "nvim/os/os_defs.h"       /* bring lots of system header files */