tree-wide: fix "a the" or "the a"

src/shared/conf-parser.h

@@ -35,7 +35,7 @@ typedef enum ConfigParseFlags {
 /* Prototype for a parser for a specific configuration setting */
 typedef int (*ConfigParserCallback)(CONFIG_PARSER_ARGUMENTS);
 
-/* A macro declaring the a function prototype, following the typedef above, simply because it's so cumbersomely long
+/* A macro declaring a function prototype, following the typedef above, simply because it's so cumbersomely long
  * otherwise. (And current emacs gets irritatingly slow when editing files that contain lots of very long function
  * prototypes on the same screen…) */
 #define CONFIG_PARSER_PROTOTYPE(name) int name(CONFIG_PARSER_ARGUMENTS)

src/shared/user-record.c

@@ -2062,7 +2062,7 @@ bool user_record_compatible(UserRecord *a, UserRecord *b) {
         assert(a);
         assert(b);
 
-        /* If either lacks a the regular section, we can't really decide, let's hence say they are
+        /* If either lacks the regular section, we can't really decide, let's hence say they are
          * incompatible. */
         if (!(a->mask & b->mask & USER_RECORD_REGULAR))
                 return false;