resolve merge conflicts of c9badf1 to nyc-dev-plus-aosp

Change-Id: I59d138a61554a2439577bcfdf400ea663c6bb91d
diff --git a/libril/ril.cpp b/libril/ril.cpp
index c283eaf..dcc380e 100755
--- a/libril/ril.cpp
+++ b/libril/ril.cpp
@@ -92,8 +92,8 @@
 #define RESPONSE_UNSOLICITED_ACK_EXP 4
 
 /* Negative values for private RIL errno's */
-#define RIL_ERRNO_INVALID_RESPONSE -1
-#define RIL_ERRNO_NO_MEMORY -12
+#define RIL_ERRNO_INVALID_RESPONSE (-1)
+#define RIL_ERRNO_NO_MEMORY (-12)
 
 // request, response, and unsolicited msg print macro
 #define PRINTBUF_SIZE 8096