dbghelp: Cast-qual warnings fix (1 of 2)

[Andrew Talbot]

Changelog:
    dbghelp: Cast-qual warnings fix.

diff -urN a/dlls/dbghelp/path.c b/dlls/dbghelp/path.c
--- a/dlls/dbghelp/path.c	2006-07-13 16:13:33.000000000 +0100
+++ b/dlls/dbghelp/path.c	2006-10-28 16:06:46.000000000 +0100
@@ -349,6 +349,7 @@
     struct process*     pcs = process_find_by_handle(hProcess);
     char                tmp[MAX_PATH];
     char*               ptr;
+    char*               buf;
     const char*         filename;
     const char*         searchPath = inSearchPath;
 
@@ -360,7 +361,6 @@
     if (!searchPath)
     {
         unsigned len = WideCharToMultiByte(CP_ACP, 0, pcs->search_path, -1, NULL, 0, NULL, NULL);
-        char* buf;
 
         searchPath = buf = HeapAlloc(GetProcessHeap(), 0, len);
         if (!searchPath) return FALSE;
@@ -382,7 +382,7 @@
     {
         strcpy(buffer, full_path);
         if (searchPath != inSearchPath)
-            HeapFree(GetProcessHeap(), 0, (char*)searchPath);
+            HeapFree(GetProcessHeap(), 0, buf);
         return TRUE;
     }
 
@@ -404,11 +404,11 @@
         {
             strcpy(buffer, tmp);
             if (searchPath != inSearchPath)
-                HeapFree(GetProcessHeap(), 0, (char*)searchPath);
+                HeapFree(GetProcessHeap(), 0, buf);
             return TRUE;
         }
     }
     if (searchPath != inSearchPath)
-        HeapFree(GetProcessHeap(), 0, (char*)searchPath);
+        HeapFree(GetProcessHeap(), 0, buf);
     return FALSE;
 }