ExeReader: Replace i386 with x86

Is a built-in symbol on Android and breaks the build

Author: Ghabry

src/exe_reader.cpp

@@ -39,7 +39,7 @@ EXEReader::EXEReader(Filesystem_Stream::InputStream core) : corefile(std::move(c
 
 	switch (machine) {
 		case 0x14c:
-			file_info.machine_type = MachineType::i386;
+			file_info.machine_type = MachineType::x86;
 			break;
 		case 0x8664:
 			file_info.machine_type = MachineType::amd64;

src/exe_reader.h

@@ -45,13 +45,13 @@ class EXEReader {
 
 	enum class MachineType {
 		Unknown,
-		i386,
+		x86,
 		amd64
 	};
 
 	static constexpr auto kMachineTypes = lcf::makeEnumTags<MachineType>(
 		"Unknown",
-		"i386",
+		"x86",
 		"amd64"
 	);