-Fixed a typo

tools/quartus/run_regtest_synth

@@ -96,7 +96,7 @@ unb_exec $0 run_rbf   unb1 apertif_unb1_bn_filterbank
 ###############################################################################
 # Check if all RBF files have been generated
 NOF_RBF_REQ=1
-FOUND_RBF=$(find ${SRADIOHDL}/build/ -name *.rbf | grep "\-r")
+FOUND_RBF=$(find ${RADIOHDL}/build/ -name *.rbf | grep "\-r")
 NOF_RBF=$(echo ${FOUND_RBF} | grep -c "rbf")
 RESULT=FAILED
 if (( NOF_RBF = NOF_RBF_REQ )); then