Update nra_plugin.c #531

Job	Run time
ubuntu-latest\|debug\|--enable-mcsat\|CC=gcc CXX=g++	8m 42s
ubuntu-latest\|debug\|--enable-mcsat\|CC=clang CXX=clang++	9m 27s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=gcc CXX=g++	4m 15s
ubuntu-latest\|debug\|--enable-thread-safety\|CC=clang CXX=clang++	5m 25s
ubuntu-latest\|release\|--enable-mcsat\|CC=gcc CXX=g++	5m 40s
ubuntu-latest\|release\|--enable-mcsat\|CC=clang CXX=clang++	6m 21s
ubuntu-latest\|release\|--enable-thread-safety\|CC=gcc CXX=g++	2m 44s
ubuntu-latest\|release\|--enable-thread-safety\|CC=clang CXX=clang++	3m 24s
ubuntu-latest\|gcov\|--enable-mcsat\|CC=gcc CXX=g++	8m 28s
ubuntu-latest\|debug\|--enable-thread-safety --enable-mcsat\|CC=gcc CXX=g++	8m 47s
	1h 3m 13s

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