Use a case-insensitive string comparison when looking for NumMods=

Author: alchemistmatt

src/main/java/edu/ucsd/msjava/msutil/AminoAcidSet.java

@@ -739,7 +739,7 @@ public static AminoAcidSet getAminoAcidSetFromModFile(String modFilePath) {
             String modSetting = tokenArray[0].trim();
             if (modSetting.length() == 0) {
                 continue;
-            else if (s.startsWith("NumMods=")) {
+            } else if (modSetting.toLowerCase().startsWith("nummods=")) {
                 try {
                     numMods = Integer.parseInt(modSetting.split("=")[1].trim());
                 } catch (NumberFormatException e) {