remove extra :

include/nvcc_detail/hip_runtime_api.h

@@ -243,7 +243,7 @@ inline static hipError_t hipDeviceGetAttribute(int* pi, hipDeviceAttribute_t att
     case hipDeviceAttributeClockRate:
         cdattr = cudaDevAttrClockRate; break;
     case hipDeviceAttributeMemoryClockRate:
-        cdattr = cudaDevAttrMemoryClockRate:; break;
+        cdattr = cudaDevAttrMemoryClockRate; break;
     case hipDeviceAttributeMultiprocessorCount:
         cdattr = cudaDevAttrMultiProcessorCount; break;
     case hipDeviceAttributeComputeMode: