math.h: correct prototype of powf

diff --git a/Library/include/math.h b/Library/include/math.h
index baf5e60..2e4aad6 100644 (file)
--- a/Library/include/math.h
+++ b/Library/include/math.h
@@ -214,7 +214,7 @@ extern float modff(float, float *);
 extern float nanf(const char *__tagp);
 extern float nearbyintf(float);
 extern float nextafterf(float, float);
-extern float powf(float);
+extern float powf(float, float);
 extern float remainderf(float, float);
 extern float remquof(float, float, int *);
 extern float rintf(float);