msvcp140_2: Implement __std_smf_hypot3f.

dlls/msvcp140_2/math.c

@@ -24,3 +24,8 @@ double __stdcall __std_smf_hypot3(double x, double y, double z)
 {
     return hypot(hypot(x, y), z);
 }
+
+float __stdcall __std_smf_hypot3f(float x, float y, float z)
+{
+    return hypotf(hypotf(x, y), z);
+}

dlls/msvcp140_2/msvcp140_2.spec

@@ -60,8 +60,8 @@
 @ stub -arch=!i386 __std_smf_hermitef
 @ stdcall -arch=i386 ___std_smf_hypot3@24(double double double) __std_smf_hypot3
 @ stdcall -arch=!i386 __std_smf_hypot3(double double double)
-@ stub -arch=i386 ___std_smf_hypot3f@12
-@ stub -arch=!i386 __std_smf_hypot3f
+@ stdcall -arch=i386 ___std_smf_hypot3f@12(float float float) __std_smf_hypot3f
+@ stdcall -arch=!i386 __std_smf_hypot3f(float float float)
 @ stub -arch=i386 ___std_smf_laguerre@12
 @ stub -arch=!i386 __std_smf_laguerre
 @ stub -arch=i386 ___std_smf_laguerref@8