cmd.exe: Fix parsing of && between quotes.

programs/cmd/tests/test_cmdline.cmd

@@ -178,6 +178,10 @@ rem cond 5 - string between quotes must be name of executable
 cmd /c "say five"
 echo @echo 5 >"say five.bat"
 cmd /c "say five"
+rem cond 6 - && between quotes
+cd .&&"cmd.exe" /c "echo hi"
+cd "."&&cmd.exe /c "echo hi"
+cd "."&&"cmd.exe" /c "echo hi"
 
 echo ------- Testing CMD /C qualifier treatment ------------
 rem no need for space after /c

programs/cmd/tests/test_cmdline.cmd.exp

@@ -87,6 +87,9 @@ Passed
 2@space@
 0@space@
 5@space@
+hi
+hi
+hi
 ------- Testing CMD /C qualifier treatment ------------
 0@space@
 1@space@

programs/cmd/wcmdmain.c

@@ -1792,7 +1792,8 @@ static BOOL WCMD_IsEndQuote(const WCHAR *quote, int quoteIndex)
 
         /* Quote counting ends at EOL, redirection, space or pipe if current quote is complete */
         else if(((quoteCount % 2) == 0)
-            && ((quote[i] == '<') || (quote[i] == '>') || (quote[i] == '|') || (quote[i] == ' ')))
+            && ((quote[i] == '<') || (quote[i] == '>') || (quote[i] == '|') || (quote[i] == ' ') ||
+                (quote[i] == '&')))
         {
             break;
         }