typo in cmakelists made myo on always

Author: epezent

CMakeLists.txt

@@ -123,7 +123,7 @@ if(WIN32)
         if (Myo_FOUND)
             option(MEL_MYO "Turn ON to build MEL Myo suppport" ON)  
         else()
-            option(MEL_MYO "Turn ON to build MEL Myo suppport" ON)  
+            option(MEL_MYO "Turn ON to build MEL Myo suppport" OFF)  
         endif()
         if (MEL_MYO)
             mel_add_library(myo SOURCES ${MEL_MYO_SRC} ${MEL_MYO_HEADERS})