Reported by parfait 1.0:

Error: Memory leak (CWE 401)
   Memory leak of pointer 'newModes' allocated with realloc(((char*)modes), ((num_modes + 1) * 8))
        at line 93 of randr/rrmode.c in function 'RRModeCreate'.
          pointer allocated at line 82 with realloc(((char*)modes), ((num_modes + 1) * 8)).
Error: Memory leak (CWE 401)
   Memory leak of pointer 'newModes' allocated with malloc(8)
        at line 93 of randr/rrmode.c in function 'RRModeCreate'.
          pointer allocated at line 84 with malloc(8).
Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Reviewed-by: Keith Packard <keithp@keithp.com>

Backported from Arctica GH 3.6.x branch.

v2: backport to nx-libs 3.6.x (Ulrich Sibiller)
v3: backport to nx-libs 3.5.0.x (Mihai Moldovan)