fix: forgot sdl_main module for android

zig-src/src/sdl_main.zig

@@ -0,0 +1,32 @@
+const std = @import("std");
+pub const sdl = @cImport({
+    @cInclude("SDL.h");
+    @cInclude("SDL_image.h");
+    @cInclude("SDL_ttf.h");
+    @cInclude("SDL_mixer.h");
+});
+const zig_main = @import("main.zig").main;
+
+
+pub export fn SDL_main_zig() callconv(.C) i64 {
+
+    var gpa = std.heap.GeneralPurposeAllocator(.{}){};
+    const allocator = gpa.allocator();
+    defer _ = gpa.deinit();
+
+    // Parse args into string array (error union needs 'try')
+    const args = std.process.argsAlloc(allocator) catch {
+        return -1;
+    };
+    defer std.process.argsFree(allocator, args);
+
+    // Get and print them!
+    std.debug.print("There are {d} args:\n", .{args.len});
+    for(args) |arg| {
+        std.debug.print("  {s}\n", .{arg});
+    }
+    zig_main() catch {
+        return -1;
+    };
+    return 0;
+}