Add extern "C" decls to aalogparse.h for C++ usage of aalogparse

Signed-off-by: Ryan Lee <ryan.lee@canonical.com>

libraries/libapparmor/include/aalogparse.h

@@ -19,6 +19,10 @@
 #ifndef __LIBAALOGPARSE_H_
 #define __LIBAALOGPARSE_H_
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 #define AA_RECORD_EXEC_MMAP	1
 #define AA_RECORD_READ		2
 #define AA_RECORD_WRITE		4
@@ -138,5 +142,9 @@ parse_record(const char *str);
 void
 free_record(aa_log_record *record);
 
+#ifdef __cplusplus
+}
+#endif
+
 #endif