CC       libnm-core/libnm_core_libnm_core_la-nm-utils.lo
  libnm-core/nm-utils.c:210:6: error: variable 'encodings' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
          if (lang) {
              ^~~~
  libnm-core/nm-utils.c:220:7: note: uninitialized use occurs here
          if (!encodings) {
               ^~~~~~~~~
  libnm-core/nm-utils.c:210:2: note: remove the 'if' if its condition is always true
          if (lang) {
          ^~~~~~~~~~
  libnm-core/nm-utils.c:198:30: note: initialize the variable 'encodings' to silence this warning
          const char *const *encodings;
                                      ^
                                       = NULL

Fixes: 28a06274