GPU (Linux): fix uninited struct fields

src/detection/gpu/gpu.h

@@ -33,11 +33,11 @@ typedef struct FFGPUResult
     FFstrbuf driver;
     FFstrbuf platformApi;
     double temperature;
+    double coreUsage;
     int32_t coreCount;
     uint32_t frequency; // Maximum time clock frequency in MHz
     FFGPUMemory dedicated;
     FFGPUMemory shared;
-    double coreUsage;
     uint64_t deviceId; // Used internally, may be uninitialized
 } FFGPUResult;
 

src/detection/gpu/gpu_linux.c

@@ -299,6 +299,7 @@ static const char* detectPci(const FFGPUOptions* options, FFlist* gpus, FFstrbuf
     ffStrbufInit(&gpu->driver);
     ffStrbufInit(&gpu->platformApi);
     gpu->temperature = FF_GPU_TEMP_UNSET;
+    gpu->coreUsage = FF_GPU_CORE_USAGE_UNSET;
     gpu->coreCount = FF_GPU_CORE_COUNT_UNSET;
     gpu->type = FF_GPU_TYPE_UNKNOWN;
     gpu->dedicated.total = gpu->dedicated.used = gpu->shared.total = gpu->shared.used = FF_GPU_VMEM_SIZE_UNSET;