wcmd: ignore start and end quotes

[André Hentschel]

ignore start and end quotes, as we handle strings with spaces correct anyway.
It also fixes Bug 19778
---
 programs/cmd/builtins.c |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/programs/cmd/builtins.c b/programs/cmd/builtins.c
index b544a37..1bf702a 100644
--- a/programs/cmd/builtins.c
+++ b/programs/cmd/builtins.c
@@ -2072,6 +2072,10 @@ void WCMD_setshow_env (WCHAR *s) {
 
     s += 2;
     while (*s && *s==' ') s++;
+    if (*s=='\"' && s[strlenW(s)-1]=='\"') {
+        s[strlenW(s)-1]='\0';
+        s++;
+    }
 
     /* If no parameter, or no '=' sign, return an error */
     if (!(*s) || ((p = strchrW (s, '=')) == NULL )) {
@@ -2096,6 +2100,10 @@ void WCMD_setshow_env (WCHAR *s) {
 
   } else {
     DWORD gle;
+    if (*s=='\"' && s[strlenW(s)-1]=='\"') {
+        s[strlenW(s)-1]='\0';
+        s++;
+    }
     p = strchrW (s, '=');
     if (p == NULL) {
       env = GetEnvironmentStrings ();
-- 

Best Regards, André Hentschel