rdp false (+8 squashed commit)

Squashed commit:

[eb50dade] null err too

[f2a413e0] add null

[5a38073e] check

[efa602f7] MAYBE_FIRST_START

[5ab8cc1f] gcc make

[7c4aed4d] pacman suu

[5e2efdf7] install make

[9d22d09c] tst

appveyor.yml

@@ -141,6 +141,10 @@ clone_script:
     ExecUpdate "update1"  "C:\ProxSpace\msys2\msys2_shell.cmd -mingw32 -defterm -no-start /dev/null"  "terminate?MSYS2"
  
     ExecUpdate "update2"  "C:\ProxSpace\msys2\msys2_shell.cmd -mingw32 -defterm -no-start /dev/null"  "terminate?MSYS2"
+    
+    bash -c -i 'pacman -S mingw-w64-i686-readline mingw-w64-i686-gcc git make pkg-config mingw-w64-i686-qt5 --noconfirm' 2>&1>$null
+    
+    bash -c -i 'pacman -Suu --noconfirm' 2>&1>$null
 
     Write-Host "Update " -NoNewLine