fix AKAIs manufacturer ID

Author: fdetro

CHANGELOG.md

@@ -1,3 +1,7 @@
+# v1.10.1
+
+* fix AKAIs manufacturer ID
+
 # v1.10.0
 
 * improve documentation and add example code (part 1, more to follow)

inc/midi/manufacturer.h

@@ -57,7 +57,7 @@ namespace manufacturer {
     constexpr manufacturer_t korg                = 0x420000;
     constexpr manufacturer_t yamaha              = 0x430000;
     constexpr manufacturer_t casio               = 0x440000;
-    constexpr manufacturer_t akai                = 0x450000;
+    constexpr manufacturer_t akai                = 0x470000;
     constexpr manufacturer_t fujitsu             = 0x4B0000;
     constexpr manufacturer_t sony                = 0x4C0000;
     constexpr manufacturer_t teac                = 0x4E0000;