A fix for windows mainly, adding BEGIN/END_C_DECLS pairs.

This commit was SVN r20448.

opal/mca/pstat/pstat.h

@@ -31,6 +31,7 @@
 #include "opal/mca/base/base.h"
 #include "opal/dss/dss_types.h"
 
+BEGIN_C_DECLS
 
 /**
  * Module initialization function.  Should return OPAL_SUCCESS.
@@ -83,4 +84,6 @@ typedef struct opal_pstat_base_module_1_0_0_t opal_pstat_base_module_t;
 /* Global structure for accessing pstat functions */
 OPAL_DECLSPEC extern opal_pstat_base_module_t opal_pstat;
 
+END_C_DECLS
+
 #endif /* OPAL_MCA_PSTAT_H */