Fixed glob-path to libkeystone to reflect centos install

irdb-libs/SConscript

@@ -51,6 +51,7 @@ Export('env')
 # get the libcapstone.so.[version] file regardless of the version extension
 libcapstone_path = Glob(os.environ['SECURITY_TRANSFORMS_HOME']+'/third_party/capstone/libcapstone.so.*')
 assert len(libcapstone_path) <= 1, "More than one candidate for libcapstone.so.[version]?!"
+assert len(libcapstone_path) != 0, "No candidates for libcapstone.so.[version]?!"
 
 libcapstone_path = env.Install("$SECURITY_TRANSFORMS_HOME/lib/", libcapstone_path)
 
@@ -58,8 +59,9 @@ env.Command(os.environ['SECURITY_TRANSFORMS_HOME']+"/lib/libcapstone.so", libcap
 libcapstone=os.environ['SECURITY_TRANSFORMS_HOME']+"/lib/libcapstone.so"
 
 # get the libkeystone.so.[version] file regardless of the version extension
-libkeystone_path = Glob(os.environ['SECURITY_TRANSFORMS_HOME']+'/lib/usr/local/lib/libkeystone.so.*')
+libkeystone_path = Glob(os.environ['SECURITY_TRANSFORMS_HOME']+'/lib/usr/local/lib*/libkeystone.so.*')
 assert len(libkeystone_path) <= 1, "More than one candidate for libkeystone.so.[version]?!"
+assert len(libkeystone_path) != 0, "No candidates for libkeystone.so.[version]?!"
 
 libkeystone_path = env.Install("$SECURITY_TRANSFORMS_HOME/lib/", libkeystone_path)