tree-wide: fix typo in comments and NEWS

NEWS

@@ -1966,7 +1966,7 @@ CHANGES WITH 231:
           with future releases) that the components link to. This should
           decrease systemd footprint both in memory during runtime and on
           disk. Note that the shared library is not for public use, and is
-          neither API not ABI stable, but is likely to change with every new
+          neither API nor ABI stable, but is likely to change with every new
           released update. Packagers need to make sure that binaries
           linking to libsystemd-shared.so are updated in step with the
           library.

src/basic/time-util.h

@@ -183,5 +183,5 @@ static inline usec_t usec_sub_signed(usec_t timestamp, int64_t delta) {
 /* With a 32bit time_t we can't go beyond 2038... */
 #define USEC_TIMESTAMP_FORMATTABLE_MAX ((usec_t) 2147483647000000)
 #else
-#error "Yuck, time_t is neither 4 not 8 bytes wide?"
+#error "Yuck, time_t is neither 4 nor 8 bytes wide?"
 #endif

src/shared/bus-util.c

@@ -838,7 +838,7 @@ int bus_print_property(const char *name, sd_bus_message *m, bool value, bool all
                                         printf("%s=", name);
 
                                 /* This property has multiple space-separated values, so
-                                 * neither spaces not newlines can be allowed in a value. */
+                                 * neither spaces nor newlines can be allowed in a value. */
                                 good = str[strcspn(str, " \n")] == '\0';
 
                                 printf("%s%s", first ? "" : " ", good ? str : "[unprintable]");