Fix not closing files from /proc/ on read errors

The cmdline files opened from /proc/ were not closed if reading the data
from them failed (e.g. because the file was empty). This leaked the file
descriptor which could lead to failures trying to open more files later.

src/lib/3rdparty/processinfo.cpp

@@ -85,12 +85,12 @@ pid_t ProcessInfo::GetPIDbyName(const char* cchrptr_ProcessName) const
                 if (fd_CmdLineFile) {
                     int r = fscanf(fd_CmdLineFile, "%20s", chrarry_NameOfProcess) ; // read from /proc/<NR>/cmdline
 
+                    fclose(fd_CmdLineFile);  // close the file prior to exiting the routine
+
                     if (r < 1) {
                         continue;
                     }
 
-                    fclose(fd_CmdLineFile);  // close the file prior to exiting the routine
-
                     if (strrchr(chrarry_NameOfProcess, '/')) {
                         chrptr_StringToCompare = strrchr(chrarry_NameOfProcess, '/') + 1 ;
                     }