Fix Coverity Scan CID 340243 (Overrunning array of 1 bytes at byte offset 1 by...

Fix Coverity Scan CID 340243 (Overrunning array of 1 bytes at byte offset 1 by dereferencing pointer ie->value.choice.UESecurityCapabilities.encryptionAlgorithms.buf + 1.)

openair3/UTILS/conversions.h

@@ -135,7 +135,7 @@ do {                                            \
     do {                        \
     (bitstring)->size=2;                \
     (bitstring)->bits_unused=0;            \
-    (bitstring)->buf=calloc (1, sizeof (uint8_t));    \
+    (bitstring)->buf=calloc (2, sizeof (uint8_t));    \
     (bitstring)->buf[0] = (encralg) >> 8;         \
     (bitstring)->buf[1] = (encralg);        \
     }while(0)