Add -lm to wolfSSL compile (#282)

For some reason, `LT_LIB_M` in v5.8.2-stable isn't triggered properly.

Author: LinuxJedi

debian/install-wolfssl.sh

@@ -137,7 +137,7 @@ AC_CONFIG_FILES([debian/rules],[chmod +x debian/rules])' configure.ac
         echo "Debug mode enabled"
     fi
 
-    ./configure $configure_opts CFLAGS="-DWOLFSSL_OLD_OID_SUM -DWOLFSSL_PUBLIC_ASN -DHAVE_FFDHE_3072 -DHAVE_FFDHE_4096 -DWOLFSSL_DH_EXTRA -DWOLFSSL_PSS_SALT_LEN_DISCOVER -DWOLFSSL_PUBLIC_MP -DWOLFSSL_RSA_KEY_CHECK -DHAVE_FFDHE_Q -DHAVE_FFDHE_6144 -DHAVE_FFDHE_8192 -DWOLFSSL_ECDSA_DETERMINISTIC_K -DWOLFSSL_VALIDATE_ECC_IMPORT -DRSA_MIN_SIZE=1024 -DHAVE_AES_ECB -DWC_RSA_DIRECT -DWC_RSA_NO_PADDING -DACVP_VECTOR_TESTING -DWOLFSSL_ECDSA_SET_K"
+    ./configure $configure_opts CFLAGS="-DWOLFSSL_OLD_OID_SUM -DWOLFSSL_PUBLIC_ASN -DHAVE_FFDHE_3072 -DHAVE_FFDHE_4096 -DWOLFSSL_DH_EXTRA -DWOLFSSL_PSS_SALT_LEN_DISCOVER -DWOLFSSL_PUBLIC_MP -DWOLFSSL_RSA_KEY_CHECK -DHAVE_FFDHE_Q -DHAVE_FFDHE_6144 -DHAVE_FFDHE_8192 -DWOLFSSL_ECDSA_DETERMINISTIC_K -DWOLFSSL_VALIDATE_ECC_IMPORT -DRSA_MIN_SIZE=1024 -DHAVE_AES_ECB -DWC_RSA_DIRECT -DWC_RSA_NO_PADDING -DACVP_VECTOR_TESTING -DWOLFSSL_ECDSA_SET_K" LIBS="-lm"
 
     # Build Debian packages
     echo "Building Debian packages..."