basic: Use hyphens in missing header names instead of underscores

src/resolve/resolvectl.c

@@ -30,7 +30,7 @@
 #include "hostname-util.h"
 #include "json-util.h"
 #include "main-func.h"
-#include "missing_network.h"
+#include "missing-network.h"
 #include "netlink-util.h"
 #include "openssl-util.h"
 #include "pager.h"

src/resolve/resolved-dns-stream.c

@@ -9,7 +9,7 @@
 #include "fd-util.h"
 #include "iovec-util.h"
 #include "log.h"
-#include "missing_network.h"
+#include "missing-network.h"
 #include "ordered-set.h"
 #include "resolved-dns-packet.h"
 #include "resolved-dns-server.h"

src/resolve/resolved-dns-stub.c

@@ -11,7 +11,7 @@
 #include "errno-util.h"
 #include "fd-util.h"
 #include "log.h"
-#include "missing_network.h"
+#include "missing-network.h"
 #include "resolve-util.h"
 #include "resolved-dns-answer.h"
 #include "resolved-dns-packet.h"

src/resolve/resolved-dns-synthesize.c

@@ -7,7 +7,7 @@
 #include "hostname-util.h"
 #include "local-addresses.h"
 #include "log.h"
-#include "missing_network.h"
+#include "missing-network.h"
 #include "resolved-def.h"
 #include "resolved-dns-answer.h"
 #include "resolved-dns-packet.h"

src/resolve/resolved-manager.c

@@ -24,7 +24,7 @@
 #include "iovec-util.h"
 #include "json-util.h"
 #include "memstream-util.h"
-#include "missing_network.h"
+#include "missing-network.h"
 #include "ordered-set.h"
 #include "parse-util.h"
 #include "random-util.h"