More things copilot found.

Author: larshg

features/include/pcl/features/fpfh_omp.h

@@ -121,7 +121,7 @@ namespace pcl
       int nr_bins_f1_{11}, nr_bins_f2_{11}, nr_bins_f3_{11};
     private:
       /** \brief The number of threads the scheduler should use. */
-      unsigned int num_threads_;
+      unsigned int num_threads_{1};
   };
 }
 

features/include/pcl/features/intensity_gradient.h

@@ -80,8 +80,8 @@ namespace pcl
       inline void
       setNumberOfThreads(unsigned int num_threads = 0)
       {
-#ifdef _OPENMP num_threads_ =
-            num_threads != 0 ? num_threads : omp_get_num_procs();
+#ifdef _OPENMP
+        num_threads_ = num_threads != 0 ? num_threads : omp_get_num_procs();
 #else
         if (num_threads_ != 1) {
           PCL_WARN(

features/include/pcl/features/shot_omp.h

@@ -121,7 +121,7 @@ namespace pcl
       initCompute () override;
 
       /** \brief The number of threads the scheduler should use. */
-      unsigned int num_threads_;
+      unsigned int num_threads_{1};
   };
 
   /** \brief SHOTColorEstimationOMP estimates the Signature of Histograms of OrienTations (SHOT) descriptor for a given point cloud dataset

filters/include/pcl/filters/convolution.h

@@ -126,8 +126,8 @@ namespace pcl
         inline void
         setNumberOfThreads(unsigned int num_threads = 0)
         {
-#ifdef _OPENMP num_threads_ =
-              num_threads != 0 ? num_threads : omp_get_num_procs();
+#ifdef _OPENMP
+          num_threads_ = num_threads != 0 ? num_threads : omp_get_num_procs();
 #else
           if (num_threads_ != 1) {
             PCL_WARN(