Added prototype for hypot.

diff --git a/include/math.h b/include/math.h
index 1ea4b47aae5dfbe6b894840b596b71d6cf288920..b039cec3935ccf027d04472eb3aa0e7191b97394 100755 (executable)
--- a/include/math.h
+++ b/include/math.h
@@ -35,6 +35,7 @@ _PROTOTYPE( double sinh,  (double _x)                                 );
 _PROTOTYPE( double sqrt,  (double _x)                                  );
 _PROTOTYPE( double tan,   (double _x)                                  );
 _PROTOTYPE( double tanh,  (double _x)                                  );
+_PROTOTYPE( double hypot, (double _x, double _y)                       );
 
 #ifdef _POSIX_SOURCE   /* STD-C? */
 #include <mathconst.h>