Fix: Resolve error on compile (#741) (#744)

* Resolve error on compile

Fix for error " `pcap-config --libs` contains leading whitespace. "

* Approved changes



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Co-authored-by: hubblexplorer <81538364+hubblexplorer@users.noreply.github.com>
Co-authored-by: Juan José Nicola <jjnicola@gmail.com>
Co-authored-by: Juan José Nicola <juan.nicola@greenbone.net>

boreas/CMakeLists.txt

@@ -62,6 +62,7 @@ if (PCAP_CONFIG)
   execute_process (COMMAND pcap-config --libs
     OUTPUT_VARIABLE PCAP_LDFLAGS
     OUTPUT_STRIP_TRAILING_WHITESPACE)
+  string(STRIP "${PCAP_LDFLAGS}" PCAP_LDFLAGS)
   execute_process (COMMAND pcap-config --cflags
     OUTPUT_VARIABLE PCAP_CFLAGS
     OUTPUT_STRIP_TRAILING_WHITESPACE)