Link libhsakmt with -z nodelete

This prevents the library from being unloaded at runtime, even when
dlclose is called. This preserves global variables, such as state
about the SVM address space and avoids catastrophic leaks on dlclose.

Change-Id: I34f1d19a450835200e9d4815458e8d1b3045053c


[ROCm/ROCR-Runtime commit: cc7491ec71]

projects/rocr-runtime/src/Makefile

@@ -20,7 +20,7 @@ ifneq ($(REL),1)
   CFLAGS += -ggdb
 endif
 
-LDFLAGS += -lrt -pthread -Wl,--version-script=libhsakmt.ver -Wl,-soname=$(LIB_NAME).$(LIB_MAJOR_VER)
+LDFLAGS += -lrt -pthread -Wl,--version-script=libhsakmt.ver -Wl,-soname=$(LIB_NAME).$(LIB_MAJOR_VER) -Wl,-z,nodelete
 
 OBJS = debug.o globals.o memory.o perfctr.o time.o version.o \
     events.o openclose.o queues.o topology.o fmm.o pmc_table.o \