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-rw-r--r--linux/Battery.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/linux/Battery.h b/linux/Battery.h
index cfb6c324..261cff05 100644
--- a/linux/Battery.h
+++ b/linux/Battery.h
@@ -29,6 +29,6 @@ Linux battery readings written by Ian P. Hands (iphands@gmail.com, ihands@redhat
// READ FROM /sys
// ----------------------------------------
-void Battery_getData(double* level, ACPresence* isOnAC);
+extern void Battery_getData(double* level, ACPresence* isOnAC);
#endif