pxmc: I component accumulator with long type and PXMC_SUBDIV argument protection.

Signed-off-by: Pavel Pisa <ppisa@pikron.com>

diff --git a/submodule/pxmc b/submodule/pxmc
index 7e85415ba55fe746ddc1fc230244abc4908ac389..fb245ca29a9364bb9152ae869ec2347d9fb986c0 160000 (submodule)
--- a/submodule/pxmc
+++ b/submodule/pxmc
@@ -1 +1 @@
-Subproject commit 7e85415ba55fe746ddc1fc230244abc4908ac389
+Subproject commit fb245ca29a9364bb9152ae869ec2347d9fb986c0