Fix mednafen patch

recipes/mednafen/redox.patch

-diff -ruwN source-old/include/mednafen/sound/SwiftResampler.cpp source/include/mednafen/sound/SwiftResampler.cpp
---- source-old/include/mednafen/sound/SwiftResampler.cpp	2022-01-18 14:16:23.000000000 -0700
-+++ source/include/mednafen/sound/SwiftResampler.cpp	2022-12-16 20:01:02.263159230 -0700
-@@ -608,6 +608,9 @@
- 
-  if(hp_tc > 0)
-  {
-+#ifndef M_E
-+#define M_E 2.7182818284590452354
-+#endif
-   double tdm = (pow(2.0 - pow(M_E, -1.0), 1.0 / (hp_tc * output_rate)) - 1.0);
- 
-   //printf("%f\n", tdm);
 diff -ruwN source-old/src/sound/SwiftResampler.cpp source/src/sound/SwiftResampler.cpp
 --- source-old/src/sound/SwiftResampler.cpp	2022-01-18 14:16:23.000000000 -0700
 +++ source/src/sound/SwiftResampler.cpp	2022-12-16 20:01:02.263159230 -0700