deps: c-ares float, version number patch

Not yet upstream.

Refs: c-ares/c-ares#229

PR-URL: #23854
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

deps/cares/include/ares_version.h

@@ -3,15 +3,15 @@
 #define ARES__VERSION_H
 
 /* This is the global package copyright */
-#define ARES_COPYRIGHT "2004 - 2017 Daniel Stenberg, <daniel@haxx.se>."
+#define ARES_COPYRIGHT "2004 - 2018 Daniel Stenberg, <daniel@haxx.se>."
 
 #define ARES_VERSION_MAJOR 1
-#define ARES_VERSION_MINOR 14
+#define ARES_VERSION_MINOR 15
 #define ARES_VERSION_PATCH 0
 #define ARES_VERSION ((ARES_VERSION_MAJOR<<16)|\
                        (ARES_VERSION_MINOR<<8)|\
                        (ARES_VERSION_PATCH))
-#define ARES_VERSION_STR "1.14.0"
+#define ARES_VERSION_STR "1.15.0"
 
 #if (ARES_VERSION >= 0x010700)
 #  define CARES_HAVE_ARES_LIBRARY_INIT 1