remove dll link before patching on upgrade

.SRCINFO

@@ -1,7 +1,7 @@
 pkgbase = bakkesmod-steam
 	pkgdesc = A mod aimed at making you better at Rocket League!
 	pkgver = 2.43
-	pkgrel = 5
+	pkgrel = 6
 	url = https://bakkesmod.com/
 	arch = x86_64
 	license = GPL
@@ -13,7 +13,7 @@ pkgbase = bakkesmod-steam
 	makedepends = python
 	source = dll-2-0-43.zip::https://github.com/bakkesmodorg/BakkesModInjectorCpp/releases/download/2.0.43/bakkesmod.zip
 	source = src-2-0-43.zip::https://github.com/bakkesmodorg/BakkesModInjectorCpp/archive/refs/tags/2.0.43.zip
-	source = loopback-2-43-5.zip::https://github.com/kentslaney/bakkesmod-arch/archive/refs/tags/2.43-5-steam.zip
+	source = loopback-2-43-6.zip::https://github.com/kentslaney/bakkesmod-arch/archive/refs/tags/2.43-6-steam.zip
 	sha256sums = 3d39b07149872d891659330185ef9c4e02c580bfad67ed2df9979dbd72d4ae61
 	sha256sums = 2d9cb1534fbae77ba008b07be3291d30e98a872ebfb0f0b3e6bb0c638d98bef8
 	sha256sums = SKIP

PKGBUILD

@@ -1,7 +1,7 @@
 # Maintainer: Kent Slaney <kent@slaney.org>
 pkgname=bakkesmod-steam
 pkgver=2.43
-pkgrel=5
+pkgrel=6
 pkgdesc="A mod aimed at making you better at Rocket League!"
 arch=('x86_64')
 url="https://bakkesmod.com/"
@@ -147,10 +147,11 @@ package() {
     chmod a+x "$srcdir/runner.sh"
     mkdir -p "$bm_pfx"
 
+    dll_path="$bm_pfx/bakkesmod/dll"
+    rm -f "$dll_path/bakkesmod.dll"
     unzip -quo "dll-$rlesc.zip" -d "$bm_pfx/bakkesmod"
     # by default, starts with bakkesmod.dll and outputs bakkesmod_promptless.dll
     echo -n "shunted winuser calls for DLL patch: "
-    dll_path="$bm_pfx/bakkesmod/dll"
     python "$srcdir/dll_patch.py" "$dll_path"
     mv "$dll_path/bakkesmod.dll" "$dll_path/bakkesmod_official.dll"
     ln -sf "$dll_path/bakkesmod_official.dll" "$dll_path/bakkesmod.dll"