Fixed error: no matching function for call to PyFloat_Pack2 (#4711)

Fixes #4710

Author: AndreyPavlenko

third_party/intel/backend/driver.py

@@ -601,7 +601,7 @@ def format_of(ty):
 #if 0x030600B1 <= PY_VERSION_HEX && PY_VERSION_HEX <= 0x030B00A1 && !defined(PYPY_VERSION)
     _PyFloat_Pack2(f, (unsigned char *)&result, 1);
 #else
-    PyFloat_Pack2(f, (void*)&result, 1);
+    PyFloat_Pack2(f, (char*)&result, 1);
 #endif
     return result;
 }}