Fixed memory leak bug where FCEU_LoadGameSave and FCEU_SaveGameSave functions were not closing out their file handles.

src/cart.cpp

@@ -557,6 +557,7 @@ void FCEU_SaveGameSave(CartInfo *LocalHWInfo)
 						   LocalHWInfo->SaveGame[x].buflen, sp);
 				}
 			}
+			fclose(sp);
 		}
 	}
 }
@@ -584,6 +585,7 @@ void FCEU_LoadGameSave(CartInfo *LocalHWInfo)
 					}
 				}
 			}
+			fclose(sp);
 		}
 	}
 }