Specify POSIX locale for numerics

src/ccextractor.c

@@ -48,7 +48,6 @@ int api_start(struct ccx_s_options api_options)
 #if defined(ENABLE_OCR) && defined(_WIN32)
 	setMsgSeverity(LEPT_MSG_SEVERITY);
 #endif
-
 	// Initialize CCExtractor libraries
 	ctx = init_libraries(&api_options);
 
@@ -438,6 +437,9 @@ struct ccx_s_options *api_init_options()
 int main(int argc, char *argv[])
 {
 	setlocale(LC_ALL, ""); // Supports non-English CCs
+    // Use POSIX locale for numbers so we get "." as decimal separator and no
+    // thousands' groupoing instead of what the locale might say
+	setlocale (LC_NUMERIC, "POSIX");
 
 	struct ccx_s_options *api_options = api_init_options();
 	parse_configuration(api_options);