[Profiler plugin] Fix segfault issue with profiler plugin (#1973)

* Fix profiler plugin segfault by correctly setting p2p->func

* Look for librccl-profiler.so instead of libnccl-profiler.so

Signed-off-by: rahulvaidya20 <ravaidya@amd.com>

---------

Signed-off-by: rahulvaidya20 <ravaidya@amd.com>
Co-authored-by: Yongjie Qiu <Yongjie.Qiu@amd.com>

ext-profiler/example/Makefile

@@ -11,12 +11,12 @@ NCCLDIR  := $(BUILDDIR)
 
 SRC_FILES := $(wildcard *.c)
 
-build: ${BUILDDIR}/libnccl-profiler-example.so
+build: ${BUILDDIR}/librccl-profiler.so
 
-${BUILDDIR}/libnccl-profiler-example.so: ${SRC_FILES}
+${BUILDDIR}/librccl-profiler.so: ${SRC_FILES}
 	@printf "Compiling  %-35s > %s\n" $< $@
 	@mkdir -p ${BUILDDIR}
 	$(CC) -Inccl -fPIC -shared -o $@ $^
 
 clean:
-	rm -f ${BUILDDIR}/libnccl-profiler-example.so
+	rm -f ${BUILDDIR}/librccl-profiler.so