build: make use of 76 lib/*.h renamed files

76 private header files renamed to use our standard naming scheme.

This change affects 322 files in libcurl's source tree.

tests/server/rtspd.c

@@ -51,8 +51,8 @@
 #include "util.h"
 #include "server_sockaddr.h"
 
-/* include memdebug.h last */
-#include "memdebug.h"
+/* include curl_memdebug.h last */
+#include "curl_memdebug.h"
 
 #ifdef ENABLE_IPV6
 static bool use_ipv6 = FALSE;