[PATCH] lib/string_helpers.c: constify static arrays

Complement commit 68aecfb979 ("lib/string_helpers.c: make arrays static") by making the arrays const -- not only pointing to const strings. This moves them out of the data section to the r/o data section: textdata bss dec hex filename 1150 176 01326 52e

[PATCH] lib/string_helpers.c: constify static arrays

Complement commit 68aecfb979 (lib/string_helpers.c: make arrays static) by making the arrays const -- not only pointing to const strings. This moves them out of the data section to the r/o data section: textdata bss dec hex filename 1150 176 01326 52e