Rild: Use division instead of mod to determine array size

Use division while defining MAX_CAP_NUM.

CRs-fixed: 785075
Change-Id: Idf38d9bde398e748139a6e5d7e7d9a1ac106ec8d
diff --git a/rild/rild.c b/rild/rild.c
index 24df1e1..ccbee5f 100644
--- a/rild/rild.c
+++ b/rild/rild.c
@@ -38,7 +38,7 @@
 #define LIB_PATH_PROPERTY   "rild.libpath"
 #define LIB_ARGS_PROPERTY   "rild.libargs"
 #define MAX_LIB_ARGS        16
-#define MAX_CAP_NUM         ((CAP_LAST_CAP % 32) + 1)
+#define MAX_CAP_NUM         ((CAP_LAST_CAP / 32) + 1)
 
 static void usage(const char *argv0)
 {