Update appveyor.yml

typos

Author: Hua-Zhou

appveyor.yml

@@ -1,11 +1,11 @@
 environment:
   matrix:
-  - JULIAVERSION: "julialang/bin/winnt/x86/0.4/julia-0.5-latest-win32.exe"
-  - JULIAVERSION: "julialang/bin/winnt/x64/0.4/julia-0.5-latest-win64.exe"
-  - JULIAVERSION: "julialang/bin/winnt/x86/0.5/julia-0.6-latest-win32.exe"
-  - JULIAVERSION: "julialang/bin/winnt/x64/0.5/julia-0.6-latest-win64.exe"
-  #- JULIAVERSION: "julianightlies/bin/winnt/x86/julia-latest-win32.exe"
-  #- JULIAVERSION: "julianightlies/bin/winnt/x64/julia-latest-win64.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x86/0.5/julia-0.5-latest-win32.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x64/0.5/julia-0.5-latest-win64.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x86/0.6/julia-0.6-latest-win32.exe"
+  - JULIAVERSION: "julialang/bin/winnt/x64/0.6/julia-0.6-latest-win64.exe"
+  - JULIAVERSION: "julianightlies/bin/winnt/x86/julia-latest-win32.exe"
+  - JULIAVERSION: "julianightlies/bin/winnt/x64/julia-latest-win64.exe"
 
 branches:
   only: