Simplify PCH handling on intel-win, by using -Qpchi- to stop it

to messing up with specified output PCH names.


[SVN r49699]

tools/build

@@ -1 +1 @@
-Subproject commit bb8c997c17a73202d2f6f83ec04863202b1b35e1
+Subproject commit 75cbc1ed373514cee02c02a2205a3c8ff8e36606