fix examples

examples/array/main.nub

@@ -1,10 +0,0 @@
-module "main"
-
-extern "puts" func puts(text: cstring)
-
-extern "main" func main(argc: i64, argv: [?]cstring): i64
-{
-    let x = [23]i32
-    puts("test")
-    return x[0]
-}

examples/array/makefile

@@ -1,5 +0,0 @@
-.build/out: main.nub
-	clang $$(nubc main.nub) -o .build/out
-
-clean:
-	@rm -r .build 2>/dev/null || true

examples/hello-world/main.nub

@@ -2,7 +2,7 @@ module "main"
 
 extern "puts" func puts(text: cstring)
 
-func main(argc: i32, argv: [?]cstring): i32
+extern "main" func main(argc: i64, argv: [?]cstring): i64
 {
     defer puts("Bye cruel world!")
     puts("Hello world!")

examples/raylib/main.nub

@@ -2,9 +2,9 @@ import "raylib"
 
 module "main"
 
-extern "main" func main(args: []cstring): i64
+extern "main" func main(argc: i64, argv: [?]cstring): i64
 {
-    raylib: :SetConfigFlags(4 | 64)
+    raylib::SetConfigFlags(4 | 64)
 
     raylib::InitWindow(1600, 900, "Hi from nub-lang")
     defer raylib::CloseWindow()

examples/raylib/makefile

@@ -1,5 +1,5 @@
 .build/out: main.nub generated/raylib.nub
-	nubc main.nub generated/raylib.nub raylib-5.5_linux_amd64/lib/libraylib.a
+	clang $$(nubc main.nub generated/raylib.nub) raylib-5.5_linux_amd64/lib/libraylib.a -lm -o .build/out
 
 clean:
 	@rm -r .build 2>/dev/null || true