Consolidate the occurrances of the prime used as the multiplier when hashing
to a single #define instead of having several copies in several files.
This excludes the Modules/ tree (datetime and expat both have a copy
for their own purposes with no need for it to be the same).
diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index c4cfe1b..20528b9 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -7666,7 +7666,7 @@
p = self->str;
x = *p << 7;
while (--len >= 0)
- x = (1000003*x) ^ *p++;
+ x = (_PyHASH_MULTIPLIER*x) ^ *p++;
x ^= Py_SIZE(self);
if (x == -1)
x = -2;